Finding the Third Proportional to 3,746,394 and 8,122,653

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746,394 : 8,122,653 = 8,122,653 : x
2. Step 2: Convert to fraction form
   3,746,394/8,122,653 = 8,122,653/x
3. Step 3: Cross multiply
   3,746,394x = 8,122,653 × 8,122,653
4. Step 4: Simplify right side
   3,746,394x = 65,977,491,758,409
5. Step 5: Solve for x
   x = 65,977,491,758,409/3,746,394
6. Step 6: Final answer
   x = 17,610,932.47