Finding the Third Proportional to 260,156 and 527,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,156 : 527,488.50 = 527,488.50 : x
2. Step 2: Convert to fraction form
   260,156/527,488.50 = 527,488.50/x
3. Step 3: Cross multiply
   260,156x = 527,488.50 × 527,488.50
4. Step 4: Simplify right side
   260,156x = 278,244,117,632.25
5. Step 5: Solve for x
   x = 278,244,117,632.25/260,156
6. Step 6: Final answer
   x = 1,069,527.97