Finding the Third Proportional to 12,613,514 and 19,487,667

Step by Step Solution

1. Step 1: Write the proportion equation
   12,613,514 : 19,487,667 = 19,487,667 : x
2. Step 2: Convert to fraction form
   12,613,514/19,487,667 = 19,487,667/x
3. Step 3: Cross multiply
   12,613,514x = 19,487,667 × 19,487,667
4. Step 4: Simplify right side
   12,613,514x = 379,769,165,102,889
5. Step 5: Solve for x
   x = 379,769,165,102,889/12,613,514
6. Step 6: Final answer
   x = 30,108,117.78