Finding the Third Proportional to 564,768 and 1,240,128

Step by Step Solution

1. Step 1: Write the proportion equation
   564,768 : 1,240,128 = 1,240,128 : x
2. Step 2: Convert to fraction form
   564,768/1,240,128 = 1,240,128/x
3. Step 3: Cross multiply
   564,768x = 1,240,128 × 1,240,128
4. Step 4: Simplify right side
   564,768x = 1,537,917,456,384
5. Step 5: Solve for x
   x = 1,537,917,456,384/564,768
6. Step 6: Final answer
   x = 2,723,095.96