Finding the Third Proportional to 625,684 and 1,375,784

Step by Step Solution

1. Step 1: Write the proportion equation
   625,684 : 1,375,784 = 1,375,784 : x
2. Step 2: Convert to fraction form
   625,684/1,375,784 = 1,375,784/x
3. Step 3: Cross multiply
   625,684x = 1,375,784 × 1,375,784
4. Step 4: Simplify right side
   625,684x = 1,892,781,614,656
5. Step 5: Solve for x
   x = 1,892,781,614,656/625,684
6. Step 6: Final answer
   x = 3,025,139.87