Finding the Third Proportional to 2,056,870 and 4,429,822

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,870 : 4,429,822 = 4,429,822 : x
2. Step 2: Convert to fraction form
   2,056,870/4,429,822 = 4,429,822/x
3. Step 3: Cross multiply
   2,056,870x = 4,429,822 × 4,429,822
4. Step 4: Simplify right side
   2,056,870x = 19,623,322,951,684
5. Step 5: Solve for x
   x = 19,623,322,951,684/2,056,870
6. Step 6: Final answer
   x = 9,540,380.75