Finding the Third Proportional to 56,110.50 and 86,240.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,110.50 : 86,240.25 = 86,240.25 : x
2. Step 2: Convert to fraction form
   56,110.50/86,240.25 = 86,240.25/x
3. Step 3: Cross multiply
   56,110.50x = 86,240.25 × 86,240.25
4. Step 4: Simplify right side
   56,110.50x = 7,437,380,720.06
5. Step 5: Solve for x
   x = 7,437,380,720.06/56,110.50
6. Step 6: Final answer
   x = 132,548.82