Finding the Third Proportional to 2,115,496 and 4,567,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,496 : 4,567,640 = 4,567,640 : x
2. Step 2: Convert to fraction form
   2,115,496/4,567,640 = 4,567,640/x
3. Step 3: Cross multiply
   2,115,496x = 4,567,640 × 4,567,640
4. Step 4: Simplify right side
   2,115,496x = 20,863,335,169,600
5. Step 5: Solve for x
   x = 20,863,335,169,600/2,115,496
6. Step 6: Final answer
   x = 9,862,148.25