Finding the Third Proportional to 71,751 and 156,418.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,751 : 156,418.50 = 156,418.50 : x
2. Step 2: Convert to fraction form
   71,751/156,418.50 = 156,418.50/x
3. Step 3: Cross multiply
   71,751x = 156,418.50 × 156,418.50
4. Step 4: Simplify right side
   71,751x = 24,466,747,142.25
5. Step 5: Solve for x
   x = 24,466,747,142.25/71,751
6. Step 6: Final answer
   x = 340,995.21