Finding the Third Proportional to 2,673,866 and 4,389,375

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673,866 : 4,389,375 = 4,389,375 : x
2. Step 2: Convert to fraction form
   2,673,866/4,389,375 = 4,389,375/x
3. Step 3: Cross multiply
   2,673,866x = 4,389,375 × 4,389,375
4. Step 4: Simplify right side
   2,673,866x = 19,266,612,890,625
5. Step 5: Solve for x
   x = 19,266,612,890,625/2,673,866
6. Step 6: Final answer
   x = 7,205,526.71