Finding the Third Proportional to 296,026.50 and 622,998

Step by Step Solution

1. Step 1: Write the proportion equation
   296,026.50 : 622,998 = 622,998 : x
2. Step 2: Convert to fraction form
   296,026.50/622,998 = 622,998/x
3. Step 3: Cross multiply
   296,026.50x = 622,998 × 622,998
4. Step 4: Simplify right side
   296,026.50x = 388,126,508,004
5. Step 5: Solve for x
   x = 388,126,508,004/296,026.50
6. Step 6: Final answer
   x = 1,311,120.82