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Finding the Third Proportional to 310,191.75 and 683,237.75

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Solution

The third proportional to 310,191.75 and 683,237.75 is: 1,504,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,191.75 : 683,237.75 = 683,237.75 : x
  2. Step 2: Convert to fraction form
    310,191.75/683,237.75 = 683,237.75/x
  3. Step 3: Cross multiply
    310,191.75x = 683,237.75 × 683,237.75
  4. Step 4: Simplify right side
    310,191.75x = 466,813,823,025.06
  5. Step 5: Solve for x
    x = 466,813,823,025.06/310,191.75
  6. Step 6: Final answer
    x = 1,504,920.18

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