Finding the Third Proportional to 12,057,648 and 18,086,664

Step by Step Solution

1. Step 1: Write the proportion equation
   12,057,648 : 18,086,664 = 18,086,664 : x
2. Step 2: Convert to fraction form
   12,057,648/18,086,664 = 18,086,664/x
3. Step 3: Cross multiply
   12,057,648x = 18,086,664 × 18,086,664
4. Step 4: Simplify right side
   12,057,648x = 327,127,414,648,896
5. Step 5: Solve for x
   x = 327,127,414,648,896/12,057,648
6. Step 6: Final answer
   x = 27,130,284.00