Finding the Third Proportional to 2,193,340 and 3,409,620

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193,340 : 3,409,620 = 3,409,620 : x
2. Step 2: Convert to fraction form
   2,193,340/3,409,620 = 3,409,620/x
3. Step 3: Cross multiply
   2,193,340x = 3,409,620 × 3,409,620
4. Step 4: Simplify right side
   2,193,340x = 11,625,508,544,400
5. Step 5: Solve for x
   x = 11,625,508,544,400/2,193,340
6. Step 6: Final answer
   x = 5,300,367.72