Finding the Third Proportional to 1,842,654 and 3,987,132

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842,654 : 3,987,132 = 3,987,132 : x
2. Step 2: Convert to fraction form
   1,842,654/3,987,132 = 3,987,132/x
3. Step 3: Cross multiply
   1,842,654x = 3,987,132 × 3,987,132
4. Step 4: Simplify right side
   1,842,654x = 15,897,221,585,424
5. Step 5: Solve for x
   x = 15,897,221,585,424/1,842,654
6. Step 6: Final answer
   x = 8,627,350.32