Finding the Third Proportional to 1,810,624 and 3,932,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810,624 : 3,932,638 = 3,932,638 : x
2. Step 2: Convert to fraction form
   1,810,624/3,932,638 = 3,932,638/x
3. Step 3: Cross multiply
   1,810,624x = 3,932,638 × 3,932,638
4. Step 4: Simplify right side
   1,810,624x = 15,465,641,639,044
5. Step 5: Solve for x
   x = 15,465,641,639,044/1,810,624
6. Step 6: Final answer
   x = 8,541,608.66