Finding the Third Proportional to 906,930 and 1,979,646

Step by Step Solution

1. Step 1: Write the proportion equation
   906,930 : 1,979,646 = 1,979,646 : x
2. Step 2: Convert to fraction form
   906,930/1,979,646 = 1,979,646/x
3. Step 3: Cross multiply
   906,930x = 1,979,646 × 1,979,646
4. Step 4: Simplify right side
   906,930x = 3,918,998,285,316
5. Step 5: Solve for x
   x = 3,918,998,285,316/906,930
6. Step 6: Final answer
   x = 4,321,169.53