Finding the Third Proportional to 31,120 and 67,525

Step by Step Solution

1. Step 1: Write the proportion equation
   31,120 : 67,525 = 67,525 : x
2. Step 2: Convert to fraction form
   31,120/67,525 = 67,525/x
3. Step 3: Cross multiply
   31,120x = 67,525 × 67,525
4. Step 4: Simplify right side
   31,120x = 4,559,625,625
5. Step 5: Solve for x
   x = 4,559,625,625/31,120
6. Step 6: Final answer
   x = 146,517.53