Finding the Third Proportional to 283,147.50 and 622,248

Step by Step Solution

1. Step 1: Write the proportion equation
   283,147.50 : 622,248 = 622,248 : x
2. Step 2: Convert to fraction form
   283,147.50/622,248 = 622,248/x
3. Step 3: Cross multiply
   283,147.50x = 622,248 × 622,248
4. Step 4: Simplify right side
   283,147.50x = 387,192,573,504
5. Step 5: Solve for x
   x = 387,192,573,504/283,147.50
6. Step 6: Final answer
   x = 1,367,458.92