Finding the Third Proportional to 3,750,138 and 8,181,738

Step by Step Solution

1. Step 1: Write the proportion equation
   3,750,138 : 8,181,738 = 8,181,738 : x
2. Step 2: Convert to fraction form
   3,750,138/8,181,738 = 8,181,738/x
3. Step 3: Cross multiply
   3,750,138x = 8,181,738 × 8,181,738
4. Step 4: Simplify right side
   3,750,138x = 66,940,836,700,644
5. Step 5: Solve for x
   x = 66,940,836,700,644/3,750,138
6. Step 6: Final answer
   x = 17,850,232.90