Finding the Third Proportional to 3,158,731.69 and 5,086,855.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,158,731.69 : 5,086,855.69 = 5,086,855.69 : x
2. Step 2: Convert to fraction form
   3,158,731.69/5,086,855.69 = 5,086,855.69/x
3. Step 3: Cross multiply
   3,158,731.69x = 5,086,855.69 × 5,086,855.69
4. Step 4: Simplify right side
   3,158,731.69x = 25,876,100,785,451.10
5. Step 5: Solve for x
   x = 25,876,100,785,451.10/3,158,731.69
6. Step 6: Final answer
   x = 8,191,927.44