Finding the Third Proportional to 1,773,720 and 3,890,799

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773,720 : 3,890,799 = 3,890,799 : x
2. Step 2: Convert to fraction form
   1,773,720/3,890,799 = 3,890,799/x
3. Step 3: Cross multiply
   1,773,720x = 3,890,799 × 3,890,799
4. Step 4: Simplify right side
   1,773,720x = 15,138,316,858,401
5. Step 5: Solve for x
   x = 15,138,316,858,401/1,773,720
6. Step 6: Final answer
   x = 8,534,783.88