Finding the Third Proportional to 57,838.50 and 87,487.13

Step by Step Solution

1. Step 1: Write the proportion equation
   57,838.50 : 87,487.13 = 87,487.13 : x
2. Step 2: Convert to fraction form
   57,838.50/87,487.13 = 87,487.13/x
3. Step 3: Cross multiply
   57,838.50x = 87,487.13 × 87,487.13
4. Step 4: Simplify right side
   57,838.50x = 7,653,997,040.77
5. Step 5: Solve for x
   x = 7,653,997,040.77/57,838.50
6. Step 6: Final answer
   x = 132,333.95