Finding the Third Proportional to 80,200.13 and 112,126.78

Step by Step Solution

1. Step 1: Write the proportion equation
   80,200.13 : 112,126.78 = 112,126.78 : x
2. Step 2: Convert to fraction form
   80,200.13/112,126.78 = 112,126.78/x
3. Step 3: Cross multiply
   80,200.13x = 112,126.78 × 112,126.78
4. Step 4: Simplify right side
   80,200.13x = 12,572,415,073.49
5. Step 5: Solve for x
   x = 12,572,415,073.49/80,200.13
6. Step 6: Final answer
   x = 156,763.04