Finding the Third Proportional to 71,757 and 156,431.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,757 : 156,431.25 = 156,431.25 : x
2. Step 2: Convert to fraction form
   71,757/156,431.25 = 156,431.25/x
3. Step 3: Cross multiply
   71,757x = 156,431.25 × 156,431.25
4. Step 4: Simplify right side
   71,757x = 24,470,735,976.56
5. Step 5: Solve for x
   x = 24,470,735,976.56/71,757
6. Step 6: Final answer
   x = 341,022.28