Finding the Third Proportional to 283,731.75 and 622,746

Step by Step Solution

1. Step 1: Write the proportion equation
   283,731.75 : 622,746 = 622,746 : x
2. Step 2: Convert to fraction form
   283,731.75/622,746 = 622,746/x
3. Step 3: Cross multiply
   283,731.75x = 622,746 × 622,746
4. Step 4: Simplify right side
   283,731.75x = 387,812,580,516
5. Step 5: Solve for x
   x = 387,812,580,516/283,731.75
6. Step 6: Final answer
   x = 1,366,828.28