Finding the Third Proportional to 5,244,894 and 8,100,216

Step by Step Solution

1. Step 1: Write the proportion equation
   5,244,894 : 8,100,216 = 8,100,216 : x
2. Step 2: Convert to fraction form
   5,244,894/8,100,216 = 8,100,216/x
3. Step 3: Cross multiply
   5,244,894x = 8,100,216 × 8,100,216
4. Step 4: Simplify right side
   5,244,894x = 65,613,499,246,656
5. Step 5: Solve for x
   x = 65,613,499,246,656/5,244,894
6. Step 6: Final answer
   x = 12,509,976.23