Finding the Third Proportional to 57,300 and 88,542

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300 : 88,542 = 88,542 : x
2. Step 2: Convert to fraction form
   57,300/88,542 = 88,542/x
3. Step 3: Cross multiply
   57,300x = 88,542 × 88,542
4. Step 4: Simplify right side
   57,300x = 7,839,685,764
5. Step 5: Solve for x
   x = 7,839,685,764/57,300
6. Step 6: Final answer
   x = 136,818.25