Finding the Third Proportional to 3,838,419 and 8,271,693

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838,419 : 8,271,693 = 8,271,693 : x
2. Step 2: Convert to fraction form
   3,838,419/8,271,693 = 8,271,693/x
3. Step 3: Cross multiply
   3,838,419x = 8,271,693 × 8,271,693
4. Step 4: Simplify right side
   3,838,419x = 68,420,905,086,249
5. Step 5: Solve for x
   x = 68,420,905,086,249/3,838,419
6. Step 6: Final answer
   x = 17,825,283.04