Finding the Third Proportional to 72,646.88 and 112,205.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,646.88 : 112,205.25 = 112,205.25 : x
2. Step 2: Convert to fraction form
   72,646.88/112,205.25 = 112,205.25/x
3. Step 3: Cross multiply
   72,646.88x = 112,205.25 × 112,205.25
4. Step 4: Simplify right side
   72,646.88x = 12,590,018,127.56
5. Step 5: Solve for x
   x = 12,590,018,127.56/72,646.88
6. Step 6: Final answer
   x = 173,304.33