Finding the Third Proportional to 891,660 and 1,928,756

Step by Step Solution

1. Step 1: Write the proportion equation
   891,660 : 1,928,756 = 1,928,756 : x
2. Step 2: Convert to fraction form
   891,660/1,928,756 = 1,928,756/x
3. Step 3: Cross multiply
   891,660x = 1,928,756 × 1,928,756
4. Step 4: Simplify right side
   891,660x = 3,720,099,707,536
5. Step 5: Solve for x
   x = 3,720,099,707,536/891,660
6. Step 6: Final answer
   x = 4,172,105.63