Finding the Third Proportional to 2,399,469 and 3,679,389

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,469 : 3,679,389 = 3,679,389 : x
2. Step 2: Convert to fraction form
   2,399,469/3,679,389 = 3,679,389/x
3. Step 3: Cross multiply
   2,399,469x = 3,679,389 × 3,679,389
4. Step 4: Simplify right side
   2,399,469x = 13,537,903,413,321
5. Step 5: Solve for x
   x = 13,537,903,413,321/2,399,469
6. Step 6: Final answer
   x = 5,642,041.39