Finding the Third Proportional to 48,521 and 72,481

Step by Step Solution

1. Step 1: Write the proportion equation
   48,521 : 72,481 = 72,481 : x
2. Step 2: Convert to fraction form
   48,521/72,481 = 72,481/x
3. Step 3: Cross multiply
   48,521x = 72,481 × 72,481
4. Step 4: Simplify right side
   48,521x = 5,253,495,361
5. Step 5: Solve for x
   x = 5,253,495,361/48,521
6. Step 6: Final answer
   x = 108,272.61