Finding the Third Proportional to 1,971,243 and 4,236,979

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971,243 : 4,236,979 = 4,236,979 : x
2. Step 2: Convert to fraction form
   1,971,243/4,236,979 = 4,236,979/x
3. Step 3: Cross multiply
   1,971,243x = 4,236,979 × 4,236,979
4. Step 4: Simplify right side
   1,971,243x = 17,951,991,046,441
5. Step 5: Solve for x
   x = 17,951,991,046,441/1,971,243
6. Step 6: Final answer
   x = 9,106,939.66