Finding the Third Proportional to 3,676,646 and 7,943,620

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676,646 : 7,943,620 = 7,943,620 : x
2. Step 2: Convert to fraction form
   3,676,646/7,943,620 = 7,943,620/x
3. Step 3: Cross multiply
   3,676,646x = 7,943,620 × 7,943,620
4. Step 4: Simplify right side
   3,676,646x = 63,101,098,704,400
5. Step 5: Solve for x
   x = 63,101,098,704,400/3,676,646
6. Step 6: Final answer
   x = 17,162,679.98