Finding the Third Proportional to 2,293,690 and 3,643,287

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293,690 : 3,643,287 = 3,643,287 : x
2. Step 2: Convert to fraction form
   2,293,690/3,643,287 = 3,643,287/x
3. Step 3: Cross multiply
   2,293,690x = 3,643,287 × 3,643,287
4. Step 4: Simplify right side
   2,293,690x = 13,273,540,164,369
5. Step 5: Solve for x
   x = 13,273,540,164,369/2,293,690
6. Step 6: Final answer
   x = 5,786,980.88