Finding the Third Proportional to 1,251,988 and 2,698,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,988 : 2,698,664 = 2,698,664 : x
2. Step 2: Convert to fraction form
   1,251,988/2,698,664 = 2,698,664/x
3. Step 3: Cross multiply
   1,251,988x = 2,698,664 × 2,698,664
4. Step 4: Simplify right side
   1,251,988x = 7,282,787,384,896
5. Step 5: Solve for x
   x = 7,282,787,384,896/1,251,988
6. Step 6: Final answer
   x = 5,816,978.59