Finding the Third Proportional to 5,514,609 and 12,117,731

Step by Step Solution

1. Step 1: Write the proportion equation
   5,514,609 : 12,117,731 = 12,117,731 : x
2. Step 2: Convert to fraction form
   5,514,609/12,117,731 = 12,117,731/x
3. Step 3: Cross multiply
   5,514,609x = 12,117,731 × 12,117,731
4. Step 4: Simplify right side
   5,514,609x = 146,839,404,588,361
5. Step 5: Solve for x
   x = 146,839,404,588,361/5,514,609
6. Step 6: Final answer
   x = 26,627,346.49