Finding the Third Proportional to 1,017,448 and 2,118,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,448 : 2,118,624 = 2,118,624 : x
2. Step 2: Convert to fraction form
   1,017,448/2,118,624 = 2,118,624/x
3. Step 3: Cross multiply
   1,017,448x = 2,118,624 × 2,118,624
4. Step 4: Simplify right side
   1,017,448x = 4,488,567,653,376
5. Step 5: Solve for x
   x = 4,488,567,653,376/1,017,448
6. Step 6: Final answer
   x = 4,411,594.16