Finding the Third Proportional to 57,272 and 88,500

Step by Step Solution

1. Step 1: Write the proportion equation
   57,272 : 88,500 = 88,500 : x
2. Step 2: Convert to fraction form
   57,272/88,500 = 88,500/x
3. Step 3: Cross multiply
   57,272x = 88,500 × 88,500
4. Step 4: Simplify right side
   57,272x = 7,832,250,000
5. Step 5: Solve for x
   x = 7,832,250,000/57,272
6. Step 6: Final answer
   x = 136,755.31