Finding the Third Proportional to 45,980.16 and 71,221.78

Step by Step Solution

1. Step 1: Write the proportion equation
   45,980.16 : 71,221.78 = 71,221.78 : x
2. Step 2: Convert to fraction form
   45,980.16/71,221.78 = 71,221.78/x
3. Step 3: Cross multiply
   45,980.16x = 71,221.78 × 71,221.78
4. Step 4: Simplify right side
   45,980.16x = 5,072,542,124.42
5. Step 5: Solve for x
   x = 5,072,542,124.42/45,980.16
6. Step 6: Final answer
   x = 110,320.25