Finding the Third Proportional to 2,810,609 and 4,208,209

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,609 : 4,208,209 = 4,208,209 : x
2. Step 2: Convert to fraction form
   2,810,609/4,208,209 = 4,208,209/x
3. Step 3: Cross multiply
   2,810,609x = 4,208,209 × 4,208,209
4. Step 4: Simplify right side
   2,810,609x = 17,709,022,987,681
5. Step 5: Solve for x
   x = 17,709,022,987,681/2,810,609
6. Step 6: Final answer
   x = 6,300,777.87