Finding the Third Proportional to 227,445.75 and 353,160

Step by Step Solution

1. Step 1: Write the proportion equation
   227,445.75 : 353,160 = 353,160 : x
2. Step 2: Convert to fraction form
   227,445.75/353,160 = 353,160/x
3. Step 3: Cross multiply
   227,445.75x = 353,160 × 353,160
4. Step 4: Simplify right side
   227,445.75x = 124,721,985,600
5. Step 5: Solve for x
   x = 124,721,985,600/227,445.75
6. Step 6: Final answer
   x = 548,359.27