Finding the Third Proportional to 71,401.50 and 109,836

Step by Step Solution

1. Step 1: Write the proportion equation
   71,401.50 : 109,836 = 109,836 : x
2. Step 2: Convert to fraction form
   71,401.50/109,836 = 109,836/x
3. Step 3: Cross multiply
   71,401.50x = 109,836 × 109,836
4. Step 4: Simplify right side
   71,401.50x = 12,063,946,896
5. Step 5: Solve for x
   x = 12,063,946,896/71,401.50
6. Step 6: Final answer
   x = 168,959.29