Finding the Third Proportional to 1,928,734 and 4,200,350

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,734 : 4,200,350 = 4,200,350 : x
2. Step 2: Convert to fraction form
   1,928,734/4,200,350 = 4,200,350/x
3. Step 3: Cross multiply
   1,928,734x = 4,200,350 × 4,200,350
4. Step 4: Simplify right side
   1,928,734x = 17,642,940,122,500
5. Step 5: Solve for x
   x = 17,642,940,122,500/1,928,734
6. Step 6: Final answer
   x = 9,147,420.08