Finding the Third Proportional to 1,933,200 and 4,198,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933,200 : 4,198,680 = 4,198,680 : x
2. Step 2: Convert to fraction form
   1,933,200/4,198,680 = 4,198,680/x
3. Step 3: Cross multiply
   1,933,200x = 4,198,680 × 4,198,680
4. Step 4: Simplify right side
   1,933,200x = 17,628,913,742,400
5. Step 5: Solve for x
   x = 17,628,913,742,400/1,933,200
6. Step 6: Final answer
   x = 9,119,032.56