Finding the Third Proportional to 462,897 and 721,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   462,897 : 721,411.50 = 721,411.50 : x
2. Step 2: Convert to fraction form
   462,897/721,411.50 = 721,411.50/x
3. Step 3: Cross multiply
   462,897x = 721,411.50 × 721,411.50
4. Step 4: Simplify right side
   462,897x = 520,434,552,332.25
5. Step 5: Solve for x
   x = 520,434,552,332.25/462,897
6. Step 6: Final answer
   x = 1,124,298.82