Finding the Third Proportional to 80,203.50 and 120,612

Step by Step Solution

1. Step 1: Write the proportion equation
   80,203.50 : 120,612 = 120,612 : x
2. Step 2: Convert to fraction form
   80,203.50/120,612 = 120,612/x
3. Step 3: Cross multiply
   80,203.50x = 120,612 × 120,612
4. Step 4: Simplify right side
   80,203.50x = 14,547,254,544
5. Step 5: Solve for x
   x = 14,547,254,544/80,203.50
6. Step 6: Final answer
   x = 181,379.30