Finding the Third Proportional to 12,879,224 and 17,429,268

Step by Step Solution

1. Step 1: Write the proportion equation
   12,879,224 : 17,429,268 = 17,429,268 : x
2. Step 2: Convert to fraction form
   12,879,224/17,429,268 = 17,429,268/x
3. Step 3: Cross multiply
   12,879,224x = 17,429,268 × 17,429,268
4. Step 4: Simplify right side
   12,879,224x = 303,779,383,015,824
5. Step 5: Solve for x
   x = 303,779,383,015,824/12,879,224
6. Step 6: Final answer
   x = 23,586,776.89