Finding the Third Proportional to 146,142 and 220,182.75

Step by Step Solution

1. Step 1: Write the proportion equation
   146,142 : 220,182.75 = 220,182.75 : x
2. Step 2: Convert to fraction form
   146,142/220,182.75 = 220,182.75/x
3. Step 3: Cross multiply
   146,142x = 220,182.75 × 220,182.75
4. Step 4: Simplify right side
   146,142x = 48,480,443,397.56
5. Step 5: Solve for x
   x = 48,480,443,397.56/146,142
6. Step 6: Final answer
   x = 331,735.18