Finding the Third Proportional to 2,288,279 and 3,107,739

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288,279 : 3,107,739 = 3,107,739 : x
2. Step 2: Convert to fraction form
   2,288,279/3,107,739 = 3,107,739/x
3. Step 3: Cross multiply
   2,288,279x = 3,107,739 × 3,107,739
4. Step 4: Simplify right side
   2,288,279x = 9,658,041,692,121
5. Step 5: Solve for x
   x = 9,658,041,692,121/2,288,279
6. Step 6: Final answer
   x = 4,220,657.40