Finding the Third Proportional to 4,159,926 and 8,940,726

Step by Step Solution

1. Step 1: Write the proportion equation
   4,159,926 : 8,940,726 = 8,940,726 : x
2. Step 2: Convert to fraction form
   4,159,926/8,940,726 = 8,940,726/x
3. Step 3: Cross multiply
   4,159,926x = 8,940,726 × 8,940,726
4. Step 4: Simplify right side
   4,159,926x = 79,936,581,407,076
5. Step 5: Solve for x
   x = 79,936,581,407,076/4,159,926
6. Step 6: Final answer
   x = 19,215,866.20