Finding the Third Proportional to 57,264 and 88,488

Step by Step Solution

1. Step 1: Write the proportion equation
   57,264 : 88,488 = 88,488 : x
2. Step 2: Convert to fraction form
   57,264/88,488 = 88,488/x
3. Step 3: Cross multiply
   57,264x = 88,488 × 88,488
4. Step 4: Simplify right side
   57,264x = 7,830,126,144
5. Step 5: Solve for x
   x = 7,830,126,144/57,264
6. Step 6: Final answer
   x = 136,737.32