Finding the Third Proportional to 260,824.50 and 571,521

Step by Step Solution

1. Step 1: Write the proportion equation
   260,824.50 : 571,521 = 571,521 : x
2. Step 2: Convert to fraction form
   260,824.50/571,521 = 571,521/x
3. Step 3: Cross multiply
   260,824.50x = 571,521 × 571,521
4. Step 4: Simplify right side
   260,824.50x = 326,636,253,441
5. Step 5: Solve for x
   x = 326,636,253,441/260,824.50
6. Step 6: Final answer
   x = 1,252,321.98