Finding the Third Proportional to 2,609,478 and 3,674,738

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,478 : 3,674,738 = 3,674,738 : x
2. Step 2: Convert to fraction form
   2,609,478/3,674,738 = 3,674,738/x
3. Step 3: Cross multiply
   2,609,478x = 3,674,738 × 3,674,738
4. Step 4: Simplify right side
   2,609,478x = 13,503,699,368,644
5. Step 5: Solve for x
   x = 13,503,699,368,644/2,609,478
6. Step 6: Final answer
   x = 5,174,866.15