Finding the Third Proportional to 27,243.57 and 58,661.80

Step by Step Solution

1. Step 1: Write the proportion equation
   27,243.57 : 58,661.80 = 58,661.80 : x
2. Step 2: Convert to fraction form
   27,243.57/58,661.80 = 58,661.80/x
3. Step 3: Cross multiply
   27,243.57x = 58,661.80 × 58,661.80
4. Step 4: Simplify right side
   27,243.57x = 3,441,206,527.18
5. Step 5: Solve for x
   x = 3,441,206,527.18/27,243.57
6. Step 6: Final answer
   x = 126,312.63