Finding the Third Proportional to 906,922 and 1,979,628

Step by Step Solution

1. Step 1: Write the proportion equation
   906,922 : 1,979,628 = 1,979,628 : x
2. Step 2: Convert to fraction form
   906,922/1,979,628 = 1,979,628/x
3. Step 3: Cross multiply
   906,922x = 1,979,628 × 1,979,628
4. Step 4: Simplify right side
   906,922x = 3,918,927,018,384
5. Step 5: Solve for x
   x = 3,918,927,018,384/906,922
6. Step 6: Final answer
   x = 4,321,129.07