Finding the Third Proportional to 1,920,096 and 4,201,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,096 : 4,201,920 = 4,201,920 : x
2. Step 2: Convert to fraction form
   1,920,096/4,201,920 = 4,201,920/x
3. Step 3: Cross multiply
   1,920,096x = 4,201,920 × 4,201,920
4. Step 4: Simplify right side
   1,920,096x = 17,656,131,686,400
5. Step 5: Solve for x
   x = 17,656,131,686,400/1,920,096
6. Step 6: Final answer
   x = 9,195,442.15