Finding the Third Proportional to 57,051 and 88,685.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,051 : 88,685.72 = 88,685.72 : x
2. Step 2: Convert to fraction form
   57,051/88,685.72 = 88,685.72/x
3. Step 3: Cross multiply
   57,051x = 88,685.72 × 88,685.72
4. Step 4: Simplify right side
   57,051x = 7,865,156,710.20
5. Step 5: Solve for x
   x = 7,865,156,710.20/57,051
6. Step 6: Final answer
   x = 137,861.86