Finding the Third Proportional to 1,172,988 and 2,555,928

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,988 : 2,555,928 = 2,555,928 : x
2. Step 2: Convert to fraction form
   1,172,988/2,555,928 = 2,555,928/x
3. Step 3: Cross multiply
   1,172,988x = 2,555,928 × 2,555,928
4. Step 4: Simplify right side
   1,172,988x = 6,532,767,941,184
5. Step 5: Solve for x
   x = 6,532,767,941,184/1,172,988
6. Step 6: Final answer
   x = 5,569,339.11