Finding the Third Proportional to 1,129,617 and 2,442,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,617 : 2,442,780 = 2,442,780 : x
2. Step 2: Convert to fraction form
   1,129,617/2,442,780 = 2,442,780/x
3. Step 3: Cross multiply
   1,129,617x = 2,442,780 × 2,442,780
4. Step 4: Simplify right side
   1,129,617x = 5,967,174,128,400
5. Step 5: Solve for x
   x = 5,967,174,128,400/1,129,617
6. Step 6: Final answer
   x = 5,282,475.50