Finding the Third Proportional to 12,613,128 and 27,667,920

Step by Step Solution

1. Step 1: Write the proportion equation
   12,613,128 : 27,667,920 = 27,667,920 : x
2. Step 2: Convert to fraction form
   12,613,128/27,667,920 = 27,667,920/x
3. Step 3: Cross multiply
   12,613,128x = 27,667,920 × 27,667,920
4. Step 4: Simplify right side
   12,613,128x = 765,513,797,126,400
5. Step 5: Solve for x
   x = 765,513,797,126,400/12,613,128
6. Step 6: Final answer
   x = 60,691,828.16