Finding the Third Proportional to 3,669,498 and 8,290,332

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,498 : 8,290,332 = 8,290,332 : x
2. Step 2: Convert to fraction form
   3,669,498/8,290,332 = 8,290,332/x
3. Step 3: Cross multiply
   3,669,498x = 8,290,332 × 8,290,332
4. Step 4: Simplify right side
   3,669,498x = 68,729,604,670,224
5. Step 5: Solve for x
   x = 68,729,604,670,224/3,669,498
6. Step 6: Final answer
   x = 18,729,974.69