Finding the Third Proportional to 906,838 and 1,979,858

Step by Step Solution

1. Step 1: Write the proportion equation
   906,838 : 1,979,858 = 1,979,858 : x
2. Step 2: Convert to fraction form
   906,838/1,979,858 = 1,979,858/x
3. Step 3: Cross multiply
   906,838x = 1,979,858 × 1,979,858
4. Step 4: Simplify right side
   906,838x = 3,919,837,700,164
5. Step 5: Solve for x
   x = 3,919,837,700,164/906,838
6. Step 6: Final answer
   x = 4,322,533.57