Finding the Third Proportional to 15,160.50 and 31,891.88

Step by Step Solution

1. Step 1: Write the proportion equation
   15,160.50 : 31,891.88 = 31,891.88 : x
2. Step 2: Convert to fraction form
   15,160.50/31,891.88 = 31,891.88/x
3. Step 3: Cross multiply
   15,160.50x = 31,891.88 × 31,891.88
4. Step 4: Simplify right side
   15,160.50x = 1,017,091,691.02
5. Step 5: Solve for x
   x = 1,017,091,691.02/15,160.50
6. Step 6: Final answer
   x = 67,088.27