Finding the Third Proportional to 2,115,488 and 4,567,624

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,488 : 4,567,624 = 4,567,624 : x
2. Step 2: Convert to fraction form
   2,115,488/4,567,624 = 4,567,624/x
3. Step 3: Cross multiply
   2,115,488x = 4,567,624 × 4,567,624
4. Step 4: Simplify right side
   2,115,488x = 20,863,189,005,376
5. Step 5: Solve for x
   x = 20,863,189,005,376/2,115,488
6. Step 6: Final answer
   x = 9,862,116.45