Finding the Third Proportional to 31,672.69 and 68,254.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,672.69 : 68,254.88 = 68,254.88 : x
2. Step 2: Convert to fraction form
   31,672.69/68,254.88 = 68,254.88/x
3. Step 3: Cross multiply
   31,672.69x = 68,254.88 × 68,254.88
4. Step 4: Simplify right side
   31,672.69x = 4,658,727,961.27
5. Step 5: Solve for x
   x = 4,658,727,961.27/31,672.69
6. Step 6: Final answer
   x = 147,089.76