Finding the Third Proportional to 27,720.98 and 60,689.57

Step by Step Solution

1. Step 1: Write the proportion equation
   27,720.98 : 60,689.57 = 60,689.57 : x
2. Step 2: Convert to fraction form
   27,720.98/60,689.57 = 60,689.57/x
3. Step 3: Cross multiply
   27,720.98x = 60,689.57 × 60,689.57
4. Step 4: Simplify right side
   27,720.98x = 3,683,223,470.58
5. Step 5: Solve for x
   x = 3,683,223,470.58/27,720.98
6. Step 6: Final answer
   x = 132,867.70