Finding the Third Proportional to 5,514,636 and 12,117,784

Step by Step Solution

1. Step 1: Write the proportion equation
   5,514,636 : 12,117,784 = 12,117,784 : x
2. Step 2: Convert to fraction form
   5,514,636/12,117,784 = 12,117,784/x
3. Step 3: Cross multiply
   5,514,636x = 12,117,784 × 12,117,784
4. Step 4: Simplify right side
   5,514,636x = 146,840,689,070,656
5. Step 5: Solve for x
   x = 146,840,689,070,656/5,514,636
6. Step 6: Final answer
   x = 26,627,449.04