Finding the Third Proportional to 60,691.46 and 91,880.42

Step by Step Solution

1. Step 1: Write the proportion equation
   60,691.46 : 91,880.42 = 91,880.42 : x
2. Step 2: Convert to fraction form
   60,691.46/91,880.42 = 91,880.42/x
3. Step 3: Cross multiply
   60,691.46x = 91,880.42 × 91,880.42
4. Step 4: Simplify right side
   60,691.46x = 8,442,011,565.02
5. Step 5: Solve for x
   x = 8,442,011,565.02/60,691.46
6. Step 6: Final answer
   x = 139,097.18