Finding the Third Proportional to 28,761.38 and 61,520.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,761.38 : 61,520.88 = 61,520.88 : x
2. Step 2: Convert to fraction form
   28,761.38/61,520.88 = 61,520.88/x
3. Step 3: Cross multiply
   28,761.38x = 61,520.88 × 61,520.88
4. Step 4: Simplify right side
   28,761.38x = 3,784,818,060.77
5. Step 5: Solve for x
   x = 3,784,818,060.77/28,761.38
6. Step 6: Final answer
   x = 131,593.78