Finding the Third Proportional to 227,448 and 353,166.75

Step by Step Solution

1. Step 1: Write the proportion equation
   227,448 : 353,166.75 = 353,166.75 : x
2. Step 2: Convert to fraction form
   227,448/353,166.75 = 353,166.75/x
3. Step 3: Cross multiply
   227,448x = 353,166.75 × 353,166.75
4. Step 4: Simplify right side
   227,448x = 124,726,753,305.56
5. Step 5: Solve for x
   x = 124,726,753,305.56/227,448
6. Step 6: Final answer
   x = 548,374.81