Finding the Third Proportional to 56,097.56 and 86,221.13

Step by Step Solution

1. Step 1: Write the proportion equation
   56,097.56 : 86,221.13 = 86,221.13 : x
2. Step 2: Convert to fraction form
   56,097.56/86,221.13 = 86,221.13/x
3. Step 3: Cross multiply
   56,097.56x = 86,221.13 × 86,221.13
4. Step 4: Simplify right side
   56,097.56x = 7,434,082,396.27
5. Step 5: Solve for x
   x = 7,434,082,396.27/56,097.56
6. Step 6: Final answer
   x = 132,520.60