Finding the Third Proportional to 3,928,824 and 5,869,039.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928,824 : 5,869,039.78 = 5,869,039.78 : x
2. Step 2: Convert to fraction form
   3,928,824/5,869,039.78 = 5,869,039.78/x
3. Step 3: Cross multiply
   3,928,824x = 5,869,039.78 × 5,869,039.78
4. Step 4: Simplify right side
   3,928,824x = 34,445,627,953,895.05
5. Step 5: Solve for x
   x = 34,445,627,953,895.05/3,928,824
6. Step 6: Final answer
   x = 8,767,414.36