Finding the Third Proportional to 564,798 and 1,243,320

Step by Step Solution

1. Step 1: Write the proportion equation
   564,798 : 1,243,320 = 1,243,320 : x
2. Step 2: Convert to fraction form
   564,798/1,243,320 = 1,243,320/x
3. Step 3: Cross multiply
   564,798x = 1,243,320 × 1,243,320
4. Step 4: Simplify right side
   564,798x = 1,545,844,622,400
5. Step 5: Solve for x
   x = 1,545,844,622,400/564,798
6. Step 6: Final answer
   x = 2,736,986.71