Finding the Third Proportional to 59,121 and 131,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,121 : 131,359.50 = 131,359.50 : x
2. Step 2: Convert to fraction form
   59,121/131,359.50 = 131,359.50/x
3. Step 3: Cross multiply
   59,121x = 131,359.50 × 131,359.50
4. Step 4: Simplify right side
   59,121x = 17,255,318,240.25
5. Step 5: Solve for x
   x = 17,255,318,240.25/59,121
6. Step 6: Final answer
   x = 291,864.45