Finding the Third Proportional to 2,278,789 and 3,527,357

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278,789 : 3,527,357 = 3,527,357 : x
2. Step 2: Convert to fraction form
   2,278,789/3,527,357 = 3,527,357/x
3. Step 3: Cross multiply
   2,278,789x = 3,527,357 × 3,527,357
4. Step 4: Simplify right side
   2,278,789x = 12,442,247,405,449
5. Step 5: Solve for x
   x = 12,442,247,405,449/2,278,789
6. Step 6: Final answer
   x = 5,460,026.10