Finding the Third Proportional to 31,179 and 67,107

Step by Step Solution

1. Step 1: Write the proportion equation
   31,179 : 67,107 = 67,107 : x
2. Step 2: Convert to fraction form
   31,179/67,107 = 67,107/x
3. Step 3: Cross multiply
   31,179x = 67,107 × 67,107
4. Step 4: Simplify right side
   31,179x = 4,503,349,449
5. Step 5: Solve for x
   x = 4,503,349,449/31,179
6. Step 6: Final answer
   x = 144,435.34