Finding the Third Proportional to 2,910,007 and 4,405,268

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910,007 : 4,405,268 = 4,405,268 : x
2. Step 2: Convert to fraction form
   2,910,007/4,405,268 = 4,405,268/x
3. Step 3: Cross multiply
   2,910,007x = 4,405,268 × 4,405,268
4. Step 4: Simplify right side
   2,910,007x = 19,406,386,151,824
5. Step 5: Solve for x
   x = 19,406,386,151,824/2,910,007
6. Step 6: Final answer
   x = 6,668,845.18