Finding the Third Proportional to 564,722 and 1,239,988

Step by Step Solution

1. Step 1: Write the proportion equation
   564,722 : 1,239,988 = 1,239,988 : x
2. Step 2: Convert to fraction form
   564,722/1,239,988 = 1,239,988/x
3. Step 3: Cross multiply
   564,722x = 1,239,988 × 1,239,988
4. Step 4: Simplify right side
   564,722x = 1,537,570,240,144
5. Step 5: Solve for x
   x = 1,537,570,240,144/564,722
6. Step 6: Final answer
   x = 2,722,702.92