Finding the Third Proportional to 2,713,640 and 3,987,516

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713,640 : 3,987,516 = 3,987,516 : x
2. Step 2: Convert to fraction form
   2,713,640/3,987,516 = 3,987,516/x
3. Step 3: Cross multiply
   2,713,640x = 3,987,516 × 3,987,516
4. Step 4: Simplify right side
   2,713,640x = 15,900,283,850,256
5. Step 5: Solve for x
   x = 15,900,283,850,256/2,713,640
6. Step 6: Final answer
   x = 5,859,393.23