Finding the Third Proportional to 2,448,830 and 5,718,421

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448,830 : 5,718,421 = 5,718,421 : x
2. Step 2: Convert to fraction form
   2,448,830/5,718,421 = 5,718,421/x
3. Step 3: Cross multiply
   2,448,830x = 5,718,421 × 5,718,421
4. Step 4: Simplify right side
   2,448,830x = 32,700,338,733,241
5. Step 5: Solve for x
   x = 32,700,338,733,241/2,448,830
6. Step 6: Final answer
   x = 13,353,453.99