Finding the Third Proportional to 158,880 and 253,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,880 : 253,126.50 = 253,126.50 : x
2. Step 2: Convert to fraction form
   158,880/253,126.50 = 253,126.50/x
3. Step 3: Cross multiply
   158,880x = 253,126.50 × 253,126.50
4. Step 4: Simplify right side
   158,880x = 64,073,025,002.25
5. Step 5: Solve for x
   x = 64,073,025,002.25/158,880
6. Step 6: Final answer
   x = 403,279.36