Finding the Third Proportional to 72,707 and 109,425

Step by Step Solution

1. Step 1: Write the proportion equation
   72,707 : 109,425 = 109,425 : x
2. Step 2: Convert to fraction form
   72,707/109,425 = 109,425/x
3. Step 3: Cross multiply
   72,707x = 109,425 × 109,425
4. Step 4: Simplify right side
   72,707x = 11,973,830,625
5. Step 5: Solve for x
   x = 11,973,830,625/72,707
6. Step 6: Final answer
   x = 164,686.08