Finding the Third Proportional to 3,832,486 and 8,345,372

Step by Step Solution

1. Step 1: Write the proportion equation
   3,832,486 : 8,345,372 = 8,345,372 : x
2. Step 2: Convert to fraction form
   3,832,486/8,345,372 = 8,345,372/x
3. Step 3: Cross multiply
   3,832,486x = 8,345,372 × 8,345,372
4. Step 4: Simplify right side
   3,832,486x = 69,645,233,818,384
5. Step 5: Solve for x
   x = 69,645,233,818,384/3,832,486
6. Step 6: Final answer
   x = 18,172,338.74