Finding the Third Proportional to 1,304,864 and 2,016,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304,864 : 2,016,672 = 2,016,672 : x
2. Step 2: Convert to fraction form
   1,304,864/2,016,672 = 2,016,672/x
3. Step 3: Cross multiply
   1,304,864x = 2,016,672 × 2,016,672
4. Step 4: Simplify right side
   1,304,864x = 4,066,965,955,584
5. Step 5: Solve for x
   x = 4,066,965,955,584/1,304,864
6. Step 6: Final answer
   x = 3,116,773.82