Finding the Third Proportional to 12,879,008 and 17,428,944

Step by Step Solution

1. Step 1: Write the proportion equation
   12,879,008 : 17,428,944 = 17,428,944 : x
2. Step 2: Convert to fraction form
   12,879,008/17,428,944 = 17,428,944/x
3. Step 3: Cross multiply
   12,879,008x = 17,428,944 × 17,428,944
4. Step 4: Simplify right side
   12,879,008x = 303,768,088,955,136
5. Step 5: Solve for x
   x = 303,768,088,955,136/12,879,008
6. Step 6: Final answer
   x = 23,586,295.54