Finding the Third Proportional to 2,910,005 and 4,405,265

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910,005 : 4,405,265 = 4,405,265 : x
2. Step 2: Convert to fraction form
   2,910,005/4,405,265 = 4,405,265/x
3. Step 3: Cross multiply
   2,910,005x = 4,405,265 × 4,405,265
4. Step 4: Simplify right side
   2,910,005x = 19,406,359,720,225
5. Step 5: Solve for x
   x = 19,406,359,720,225/2,910,005
6. Step 6: Final answer
   x = 6,668,840.68