Finding the Third Proportional to 1,842,663 and 3,987,150

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842,663 : 3,987,150 = 3,987,150 : x
2. Step 2: Convert to fraction form
   1,842,663/3,987,150 = 3,987,150/x
3. Step 3: Cross multiply
   1,842,663x = 3,987,150 × 3,987,150
4. Step 4: Simplify right side
   1,842,663x = 15,897,365,122,500
5. Step 5: Solve for x
   x = 15,897,365,122,500/1,842,663
6. Step 6: Final answer
   x = 8,627,386.08