Finding the Third Proportional to 1,807,286 and 3,764,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807,286 : 3,764,392 = 3,764,392 : x
2. Step 2: Convert to fraction form
   1,807,286/3,764,392 = 3,764,392/x
3. Step 3: Cross multiply
   1,807,286x = 3,764,392 × 3,764,392
4. Step 4: Simplify right side
   1,807,286x = 14,170,647,129,664
5. Step 5: Solve for x
   x = 14,170,647,129,664/1,807,286
6. Step 6: Final answer
   x = 7,840,843.75