Finding the Third Proportional to 2,690,360 and 5,629,984

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,360 : 5,629,984 = 5,629,984 : x
2. Step 2: Convert to fraction form
   2,690,360/5,629,984 = 5,629,984/x
3. Step 3: Cross multiply
   2,690,360x = 5,629,984 × 5,629,984
4. Step 4: Simplify right side
   2,690,360x = 31,696,719,840,256
5. Step 5: Solve for x
   x = 31,696,719,840,256/2,690,360
6. Step 6: Final answer
   x = 11,781,590.51