Finding the Third Proportional to 5,677,809 and 8,514,628

Step by Step Solution

1. Step 1: Write the proportion equation
   5,677,809 : 8,514,628 = 8,514,628 : x
2. Step 2: Convert to fraction form
   5,677,809/8,514,628 = 8,514,628/x
3. Step 3: Cross multiply
   5,677,809x = 8,514,628 × 8,514,628
4. Step 4: Simplify right side
   5,677,809x = 72,498,889,978,384
5. Step 5: Solve for x
   x = 72,498,889,978,384/5,677,809
6. Step 6: Final answer
   x = 12,768,814.52