Finding the Third Proportional to 71,458.50 and 156,525

Step by Step Solution

1. Step 1: Write the proportion equation
   71,458.50 : 156,525 = 156,525 : x
2. Step 2: Convert to fraction form
   71,458.50/156,525 = 156,525/x
3. Step 3: Cross multiply
   71,458.50x = 156,525 × 156,525
4. Step 4: Simplify right side
   71,458.50x = 24,500,075,625
5. Step 5: Solve for x
   x = 24,500,075,625/71,458.50
6. Step 6: Final answer
   x = 342,857.40