Finding the Third Proportional to 5,755,656 and 8,315,256

Step by Step Solution

1. Step 1: Write the proportion equation
   5,755,656 : 8,315,256 = 8,315,256 : x
2. Step 2: Convert to fraction form
   5,755,656/8,315,256 = 8,315,256/x
3. Step 3: Cross multiply
   5,755,656x = 8,315,256 × 8,315,256
4. Step 4: Simplify right side
   5,755,656x = 69,143,482,345,536
5. Step 5: Solve for x
   x = 69,143,482,345,536/5,755,656
6. Step 6: Final answer
   x = 12,013,136.70