Finding the Third Proportional to 1,880,800 and 4,439,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880,800 : 4,439,128 = 4,439,128 : x
2. Step 2: Convert to fraction form
   1,880,800/4,439,128 = 4,439,128/x
3. Step 3: Cross multiply
   1,880,800x = 4,439,128 × 4,439,128
4. Step 4: Simplify right side
   1,880,800x = 19,705,857,400,384
5. Step 5: Solve for x
   x = 19,705,857,400,384/1,880,800
6. Step 6: Final answer
   x = 10,477,380.58