Finding the Third Proportional to 72,650.25 and 109,049.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,650.25 : 109,049.63 = 109,049.63 : x
2. Step 2: Convert to fraction form
   72,650.25/109,049.63 = 109,049.63/x
3. Step 3: Cross multiply
   72,650.25x = 109,049.63 × 109,049.63
4. Step 4: Simplify right side
   72,650.25x = 11,891,820,712.64
5. Step 5: Solve for x
   x = 11,891,820,712.64/72,650.25
6. Step 6: Final answer
   x = 163,685.89