Finding the Third Proportional to 3,726,584 and 5,645,768

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726,584 : 5,645,768 = 5,645,768 : x
2. Step 2: Convert to fraction form
   3,726,584/5,645,768 = 5,645,768/x
3. Step 3: Cross multiply
   3,726,584x = 5,645,768 × 5,645,768
4. Step 4: Simplify right side
   3,726,584x = 31,874,696,309,824
5. Step 5: Solve for x
   x = 31,874,696,309,824/3,726,584
6. Step 6: Final answer
   x = 8,553,328.28