Finding the Third Proportional to 59,479.31 and 80,741.81

Step by Step Solution

1. Step 1: Write the proportion equation
   59,479.31 : 80,741.81 = 80,741.81 : x
2. Step 2: Convert to fraction form
   59,479.31/80,741.81 = 80,741.81/x
3. Step 3: Cross multiply
   59,479.31x = 80,741.81 × 80,741.81
4. Step 4: Simplify right side
   59,479.31x = 6,519,240,285.79
5. Step 5: Solve for x
   x = 6,519,240,285.79/59,479.31
6. Step 6: Final answer
   x = 109,605.17