Finding the Third Proportional to 71,401.50 and 156,817.69

Step by Step Solution

1. Step 1: Write the proportion equation
   71,401.50 : 156,817.69 = 156,817.69 : x
2. Step 2: Convert to fraction form
   71,401.50/156,817.69 = 156,817.69/x
3. Step 3: Cross multiply
   71,401.50x = 156,817.69 × 156,817.69
4. Step 4: Simplify right side
   71,401.50x = 24,591,787,112.85
5. Step 5: Solve for x
   x = 24,591,787,112.85/71,401.50
6. Step 6: Final answer
   x = 344,415.55