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Finding the Third Proportional to 289,493.38 and 637,883.75

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Solution

The third proportional to 289,493.38 and 637,883.75 is: 1,405,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,493.38 : 637,883.75 = 637,883.75 : x
  2. Step 2: Convert to fraction form
    289,493.38/637,883.75 = 637,883.75/x
  3. Step 3: Cross multiply
    289,493.38x = 637,883.75 × 637,883.75
  4. Step 4: Simplify right side
    289,493.38x = 406,895,678,514.06
  5. Step 5: Solve for x
    x = 406,895,678,514.06/289,493.38
  6. Step 6: Final answer
    x = 1,405,544.01

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