Finding the Third Proportional to 8,247,132 and 12,123,546

Step by Step Solution

1. Step 1: Write the proportion equation
   8,247,132 : 12,123,546 = 12,123,546 : x
2. Step 2: Convert to fraction form
   8,247,132/12,123,546 = 12,123,546/x
3. Step 3: Cross multiply
   8,247,132x = 12,123,546 × 12,123,546
4. Step 4: Simplify right side
   8,247,132x = 146,980,367,614,116
5. Step 5: Solve for x
   x = 146,980,367,614,116/8,247,132
6. Step 6: Final answer
   x = 17,821,997.71