Finding the Third Proportional to 3,640,326 and 7,899,454

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640,326 : 7,899,454 = 7,899,454 : x
2. Step 2: Convert to fraction form
   3,640,326/7,899,454 = 7,899,454/x
3. Step 3: Cross multiply
   3,640,326x = 7,899,454 × 7,899,454
4. Step 4: Simplify right side
   3,640,326x = 62,401,373,498,116
5. Step 5: Solve for x
   x = 62,401,373,498,116/3,640,326
6. Step 6: Final answer
   x = 17,141,699.26