Finding the Third Proportional to 227,691 and 334,155.38

Step by Step Solution

1. Step 1: Write the proportion equation
   227,691 : 334,155.38 = 334,155.38 : x
2. Step 2: Convert to fraction form
   227,691/334,155.38 = 334,155.38/x
3. Step 3: Cross multiply
   227,691x = 334,155.38 × 334,155.38
4. Step 4: Simplify right side
   227,691x = 111,659,814,641.39
5. Step 5: Solve for x
   x = 111,659,814,641.39/227,691
6. Step 6: Final answer
   x = 490,400.65