Finding the Third Proportional to 3,715,878.56 and 8,162,488.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715,878.56 : 8,162,488.31 = 8,162,488.31 : x
2. Step 2: Convert to fraction form
   3,715,878.56/8,162,488.31 = 8,162,488.31/x
3. Step 3: Cross multiply
   3,715,878.56x = 8,162,488.31 × 8,162,488.31
4. Step 4: Simplify right side
   3,715,878.56x = 66,626,215,451,699.09
5. Step 5: Solve for x
   x = 66,626,215,451,699.09/3,715,878.56
6. Step 6: Final answer
   x = 17,930,138.01