Finding the Third Proportional to 1,919,920 and 4,113,091

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,920 : 4,113,091 = 4,113,091 : x
2. Step 2: Convert to fraction form
   1,919,920/4,113,091 = 4,113,091/x
3. Step 3: Cross multiply
   1,919,920x = 4,113,091 × 4,113,091
4. Step 4: Simplify right side
   1,919,920x = 16,917,517,574,281
5. Step 5: Solve for x
   x = 16,917,517,574,281/1,919,920
6. Step 6: Final answer
   x = 8,811,574.22