Finding the Third Proportional to 1,842,666 and 3,987,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842,666 : 3,987,156 = 3,987,156 : x
2. Step 2: Convert to fraction form
   1,842,666/3,987,156 = 3,987,156/x
3. Step 3: Cross multiply
   1,842,666x = 3,987,156 × 3,987,156
4. Step 4: Simplify right side
   1,842,666x = 15,897,412,968,336
5. Step 5: Solve for x
   x = 15,897,412,968,336/1,842,666
6. Step 6: Final answer
   x = 8,627,398.00