Finding the Third Proportional to 260,157 and 527,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,157 : 527,490.50 = 527,490.50 : x
2. Step 2: Convert to fraction form
   260,157/527,490.50 = 527,490.50/x
3. Step 3: Cross multiply
   260,157x = 527,490.50 × 527,490.50
4. Step 4: Simplify right side
   260,157x = 278,246,227,590.25
5. Step 5: Solve for x
   x = 278,246,227,590.25/260,157
6. Step 6: Final answer
   x = 1,069,531.97