Finding the Third Proportional to 60,716 and 80,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,716 : 80,309.50 = 80,309.50 : x
2. Step 2: Convert to fraction form
   60,716/80,309.50 = 80,309.50/x
3. Step 3: Cross multiply
   60,716x = 80,309.50 × 80,309.50
4. Step 4: Simplify right side
   60,716x = 6,449,615,790.25
5. Step 5: Solve for x
   x = 6,449,615,790.25/60,716
6. Step 6: Final answer
   x = 106,225.97