Finding the Third Proportional to 2,664,972 and 5,861,268

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664,972 : 5,861,268 = 5,861,268 : x
2. Step 2: Convert to fraction form
   2,664,972/5,861,268 = 5,861,268/x
3. Step 3: Cross multiply
   2,664,972x = 5,861,268 × 5,861,268
4. Step 4: Simplify right side
   2,664,972x = 34,354,462,567,824
5. Step 5: Solve for x
   x = 34,354,462,567,824/2,664,972
6. Step 6: Final answer
   x = 12,891,115.77