Finding the Third Proportional to 57,080.95 and 81,135.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,080.95 : 81,135.42 = 81,135.42 : x
2. Step 2: Convert to fraction form
   57,080.95/81,135.42 = 81,135.42/x
3. Step 3: Cross multiply
   57,080.95x = 81,135.42 × 81,135.42
4. Step 4: Simplify right side
   57,080.95x = 6,582,956,682.83
5. Step 5: Solve for x
   x = 6,582,956,682.83/57,080.95
6. Step 6: Final answer
   x = 115,326.68