Finding the Third Proportional to 3,664,382 and 7,815,664

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,382 : 7,815,664 = 7,815,664 : x
2. Step 2: Convert to fraction form
   3,664,382/7,815,664 = 7,815,664/x
3. Step 3: Cross multiply
   3,664,382x = 7,815,664 × 7,815,664
4. Step 4: Simplify right side
   3,664,382x = 61,084,603,760,896
5. Step 5: Solve for x
   x = 61,084,603,760,896/3,664,382
6. Step 6: Final answer
   x = 16,669,824.21