Finding the Third Proportional to 641,001 and 928,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,001 : 928,429.50 = 928,429.50 : x
2. Step 2: Convert to fraction form
   641,001/928,429.50 = 928,429.50/x
3. Step 3: Cross multiply
   641,001x = 928,429.50 × 928,429.50
4. Step 4: Simplify right side
   641,001x = 861,981,336,470.25
5. Step 5: Solve for x
   x = 861,981,336,470.25/641,001
6. Step 6: Final answer
   x = 1,344,742.58