Finding the Third Proportional to 4,080,663 and 8,936,982

Step by Step Solution

1. Step 1: Write the proportion equation
   4,080,663 : 8,936,982 = 8,936,982 : x
2. Step 2: Convert to fraction form
   4,080,663/8,936,982 = 8,936,982/x
3. Step 3: Cross multiply
   4,080,663x = 8,936,982 × 8,936,982
4. Step 4: Simplify right side
   4,080,663x = 79,869,647,268,324
5. Step 5: Solve for x
   x = 79,869,647,268,324/4,080,663
6. Step 6: Final answer
   x = 19,572,713.37