Finding the Third Proportional to 1,873,200 and 4,420,451

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873,200 : 4,420,451 = 4,420,451 : x
2. Step 2: Convert to fraction form
   1,873,200/4,420,451 = 4,420,451/x
3. Step 3: Cross multiply
   1,873,200x = 4,420,451 × 4,420,451
4. Step 4: Simplify right side
   1,873,200x = 19,540,387,043,401
5. Step 5: Solve for x
   x = 19,540,387,043,401/1,873,200
6. Step 6: Final answer
   x = 10,431,554.05