Finding the Third Proportional to 71,312.50 and 152,745.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,312.50 : 152,745.50 = 152,745.50 : x
2. Step 2: Convert to fraction form
   71,312.50/152,745.50 = 152,745.50/x
3. Step 3: Cross multiply
   71,312.50x = 152,745.50 × 152,745.50
4. Step 4: Simplify right side
   71,312.50x = 23,331,187,770.25
5. Step 5: Solve for x
   x = 23,331,187,770.25/71,312.50
6. Step 6: Final answer
   x = 327,168.28