Finding the Third Proportional to 2,428,380 and 3,563,838

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,380 : 3,563,838 = 3,563,838 : x
2. Step 2: Convert to fraction form
   2,428,380/3,563,838 = 3,563,838/x
3. Step 3: Cross multiply
   2,428,380x = 3,563,838 × 3,563,838
4. Step 4: Simplify right side
   2,428,380x = 12,700,941,290,244
5. Step 5: Solve for x
   x = 12,700,941,290,244/2,428,380
6. Step 6: Final answer
   x = 5,230,211.62