Finding the Third Proportional to 3,709,664 and 8,053,821

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,664 : 8,053,821 = 8,053,821 : x
2. Step 2: Convert to fraction form
   3,709,664/8,053,821 = 8,053,821/x
3. Step 3: Cross multiply
   3,709,664x = 8,053,821 × 8,053,821
4. Step 4: Simplify right side
   3,709,664x = 64,864,032,700,041
5. Step 5: Solve for x
   x = 64,864,032,700,041/3,709,664
6. Step 6: Final answer
   x = 17,485,150.33