Finding the Third Proportional to 60,259.50 and 86,086.13

Step by Step Solution

1. Step 1: Write the proportion equation
   60,259.50 : 86,086.13 = 86,086.13 : x
2. Step 2: Convert to fraction form
   60,259.50/86,086.13 = 86,086.13/x
3. Step 3: Cross multiply
   60,259.50x = 86,086.13 × 86,086.13
4. Step 4: Simplify right side
   60,259.50x = 7,410,820,917.52
5. Step 5: Solve for x
   x = 7,410,820,917.52/60,259.50
6. Step 6: Final answer
   x = 122,981.79