Finding the Third Proportional to 57,186.75 and 86,752.13

Step by Step Solution

1. Step 1: Write the proportion equation
   57,186.75 : 86,752.13 = 86,752.13 : x
2. Step 2: Convert to fraction form
   57,186.75/86,752.13 = 86,752.13/x
3. Step 3: Cross multiply
   57,186.75x = 86,752.13 × 86,752.13
4. Step 4: Simplify right side
   57,186.75x = 7,525,931,192.02
5. Step 5: Solve for x
   x = 7,525,931,192.02/57,186.75
6. Step 6: Final answer
   x = 131,602.71