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Finding the Third Proportional to 442,742.63 and 978,515.44

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Solution

The third proportional to 442,742.63 and 978,515.44 is: 2,162,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,742.63 : 978,515.44 = 978,515.44 : x
  2. Step 2: Convert to fraction form
    442,742.63/978,515.44 = 978,515.44/x
  3. Step 3: Cross multiply
    442,742.63x = 978,515.44 × 978,515.44
  4. Step 4: Simplify right side
    442,742.63x = 957,492,461,425.82
  5. Step 5: Solve for x
    x = 957,492,461,425.82/442,742.63
  6. Step 6: Final answer
    x = 2,162,638.99

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