Finding the Third Proportional to 5,156,608 and 10,736,656

Step by Step Solution

1. Step 1: Write the proportion equation
   5,156,608 : 10,736,656 = 10,736,656 : x
2. Step 2: Convert to fraction form
   5,156,608/10,736,656 = 10,736,656/x
3. Step 3: Cross multiply
   5,156,608x = 10,736,656 × 10,736,656
4. Step 4: Simplify right side
   5,156,608x = 115,275,782,062,336
5. Step 5: Solve for x
   x = 115,275,782,062,336/5,156,608
6. Step 6: Final answer
   x = 22,354,963.20