Finding the Third Proportional to 2,490,065 and 3,663,889

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,065 : 3,663,889 = 3,663,889 : x
2. Step 2: Convert to fraction form
   2,490,065/3,663,889 = 3,663,889/x
3. Step 3: Cross multiply
   2,490,065x = 3,663,889 × 3,663,889
4. Step 4: Simplify right side
   2,490,065x = 13,424,082,604,321
5. Step 5: Solve for x
   x = 13,424,082,604,321/2,490,065
6. Step 6: Final answer
   x = 5,391,057.10