Finding the Third Proportional to 48,400.88 and 72,621.56

Step by Step Solution

1. Step 1: Write the proportion equation
   48,400.88 : 72,621.56 = 72,621.56 : x
2. Step 2: Convert to fraction form
   48,400.88/72,621.56 = 72,621.56/x
3. Step 3: Cross multiply
   48,400.88x = 72,621.56 × 72,621.56
4. Step 4: Simplify right side
   48,400.88x = 5,273,891,339.94
5. Step 5: Solve for x
   x = 5,273,891,339.94/48,400.88
6. Step 6: Final answer
   x = 108,962.73