Finding the Third Proportional to 296,877 and 622,913.25

Step by Step Solution

1. Step 1: Write the proportion equation
   296,877 : 622,913.25 = 622,913.25 : x
2. Step 2: Convert to fraction form
   296,877/622,913.25 = 622,913.25/x
3. Step 3: Cross multiply
   296,877x = 622,913.25 × 622,913.25
4. Step 4: Simplify right side
   296,877x = 388,020,917,025.56
5. Step 5: Solve for x
   x = 388,020,917,025.56/296,877
6. Step 6: Final answer
   x = 1,307,009.02