Finding the Third Proportional to 31,156.88 and 67,599

Step by Step Solution

1. Step 1: Write the proportion equation
   31,156.88 : 67,599 = 67,599 : x
2. Step 2: Convert to fraction form
   31,156.88/67,599 = 67,599/x
3. Step 3: Cross multiply
   31,156.88x = 67,599 × 67,599
4. Step 4: Simplify right side
   31,156.88x = 4,569,624,801
5. Step 5: Solve for x
   x = 4,569,624,801/31,156.88
6. Step 6: Final answer
   x = 146,665.06