Finding the Third Proportional to 2,020,112 and 4,320,400

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,112 : 4,320,400 = 4,320,400 : x
2. Step 2: Convert to fraction form
   2,020,112/4,320,400 = 4,320,400/x
3. Step 3: Cross multiply
   2,020,112x = 4,320,400 × 4,320,400
4. Step 4: Simplify right side
   2,020,112x = 18,665,856,160,000
5. Step 5: Solve for x
   x = 18,665,856,160,000/2,020,112
6. Step 6: Final answer
   x = 9,240,010.53