Finding the Third Proportional to 3,868,578.56 and 8,051,141.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868,578.56 : 8,051,141.81 = 8,051,141.81 : x
2. Step 2: Convert to fraction form
   3,868,578.56/8,051,141.81 = 8,051,141.81/x
3. Step 3: Cross multiply
   3,868,578.56x = 8,051,141.81 × 8,051,141.81
4. Step 4: Simplify right side
   3,868,578.56x = 64,820,884,484,985.78
5. Step 5: Solve for x
   x = 64,820,884,484,985.78/3,868,578.56
6. Step 6: Final answer
   x = 16,755,736.88