Finding the Third Proportional to 87,986.25 and 126,086.63

Step by Step Solution

1. Step 1: Write the proportion equation
   87,986.25 : 126,086.63 = 126,086.63 : x
2. Step 2: Convert to fraction form
   87,986.25/126,086.63 = 126,086.63/x
3. Step 3: Cross multiply
   87,986.25x = 126,086.63 × 126,086.63
4. Step 4: Simplify right side
   87,986.25x = 15,897,837,003.89
5. Step 5: Solve for x
   x = 15,897,837,003.89/87,986.25
6. Step 6: Final answer
   x = 180,685.47