Finding the Third Proportional to 2,260,434 and 3,390,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260,434 : 3,390,656 = 3,390,656 : x
2. Step 2: Convert to fraction form
   2,260,434/3,390,656 = 3,390,656/x
3. Step 3: Cross multiply
   2,260,434x = 3,390,656 × 3,390,656
4. Step 4: Simplify right side
   2,260,434x = 11,496,548,110,336
5. Step 5: Solve for x
   x = 11,496,548,110,336/2,260,434
6. Step 6: Final answer
   x = 5,085,991.50