Finding the Third Proportional to 60,561.11 and 91,149.21

Step by Step Solution

1. Step 1: Write the proportion equation
   60,561.11 : 91,149.21 = 91,149.21 : x
2. Step 2: Convert to fraction form
   60,561.11/91,149.21 = 91,149.21/x
3. Step 3: Cross multiply
   60,561.11x = 91,149.21 × 91,149.21
4. Step 4: Simplify right side
   60,561.11x = 8,308,177,586.37
5. Step 5: Solve for x
   x = 8,308,177,586.37/60,561.11
6. Step 6: Final answer
   x = 137,186.69