Finding the Third Proportional to 31,154 and 67,060

Step by Step Solution

1. Step 1: Write the proportion equation
   31,154 : 67,060 = 67,060 : x
2. Step 2: Convert to fraction form
   31,154/67,060 = 67,060/x
3. Step 3: Cross multiply
   31,154x = 67,060 × 67,060
4. Step 4: Simplify right side
   31,154x = 4,497,043,600
5. Step 5: Solve for x
   x = 4,497,043,600/31,154
6. Step 6: Final answer
   x = 144,348.83