Finding the Third Proportional to 5,238,158 and 8,081,531

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238,158 : 8,081,531 = 8,081,531 : x
2. Step 2: Convert to fraction form
   5,238,158/8,081,531 = 8,081,531/x
3. Step 3: Cross multiply
   5,238,158x = 8,081,531 × 8,081,531
4. Step 4: Simplify right side
   5,238,158x = 65,311,143,303,961
5. Step 5: Solve for x
   x = 65,311,143,303,961/5,238,158
6. Step 6: Final answer
   x = 12,468,341.60