Finding the Third Proportional to 2,489,490 and 3,785,890

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,490 : 3,785,890 = 3,785,890 : x
2. Step 2: Convert to fraction form
   2,489,490/3,785,890 = 3,785,890/x
3. Step 3: Cross multiply
   2,489,490x = 3,785,890 × 3,785,890
4. Step 4: Simplify right side
   2,489,490x = 14,332,963,092,100
5. Step 5: Solve for x
   x = 14,332,963,092,100/2,489,490
6. Step 6: Final answer
   x = 5,757,389.30