Finding the Third Proportional to 2,553,320 and 3,780,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,320 : 3,780,680 = 3,780,680 : x
2. Step 2: Convert to fraction form
   2,553,320/3,780,680 = 3,780,680/x
3. Step 3: Cross multiply
   2,553,320x = 3,780,680 × 3,780,680
4. Step 4: Simplify right side
   2,553,320x = 14,293,541,262,400
5. Step 5: Solve for x
   x = 14,293,541,262,400/2,553,320
6. Step 6: Final answer
   x = 5,598,021.89