Finding the Third Proportional to 283,435.50 and 622,161

Step by Step Solution

1. Step 1: Write the proportion equation
   283,435.50 : 622,161 = 622,161 : x
2. Step 2: Convert to fraction form
   283,435.50/622,161 = 622,161/x
3. Step 3: Cross multiply
   283,435.50x = 622,161 × 622,161
4. Step 4: Simplify right side
   283,435.50x = 387,084,309,921
5. Step 5: Solve for x
   x = 387,084,309,921/283,435.50
6. Step 6: Final answer
   x = 1,365,687.47