Finding the Third Proportional to 2,056,863 and 4,429,809

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,863 : 4,429,809 = 4,429,809 : x
2. Step 2: Convert to fraction form
   2,056,863/4,429,809 = 4,429,809/x
3. Step 3: Cross multiply
   2,056,863x = 4,429,809 × 4,429,809
4. Step 4: Simplify right side
   2,056,863x = 19,623,207,776,481
5. Step 5: Solve for x
   x = 19,623,207,776,481/2,056,863
6. Step 6: Final answer
   x = 9,540,357.22