Finding the Third Proportional to 653,499 and 999,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   653,499 : 999,472.50 = 999,472.50 : x
2. Step 2: Convert to fraction form
   653,499/999,472.50 = 999,472.50/x
3. Step 3: Cross multiply
   653,499x = 999,472.50 × 999,472.50
4. Step 4: Simplify right side
   653,499x = 998,945,278,256.25
5. Step 5: Solve for x
   x = 998,945,278,256.25/653,499
6. Step 6: Final answer
   x = 1,528,610.26