Finding the Third Proportional to 3,801,326 and 8,271,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801,326 : 8,271,872 = 8,271,872 : x
2. Step 2: Convert to fraction form
   3,801,326/8,271,872 = 8,271,872/x
3. Step 3: Cross multiply
   3,801,326x = 8,271,872 × 8,271,872
4. Step 4: Simplify right side
   3,801,326x = 68,423,866,384,384
5. Step 5: Solve for x
   x = 68,423,866,384,384/3,801,326
6. Step 6: Final answer
   x = 17,999,999.57