Finding the Third Proportional to 1,248,988 and 2,596,150

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,988 : 2,596,150 = 2,596,150 : x
2. Step 2: Convert to fraction form
   1,248,988/2,596,150 = 2,596,150/x
3. Step 3: Cross multiply
   1,248,988x = 2,596,150 × 2,596,150
4. Step 4: Simplify right side
   1,248,988x = 6,739,994,822,500
5. Step 5: Solve for x
   x = 6,739,994,822,500/1,248,988
6. Step 6: Final answer
   x = 5,396,364.75