Finding the Third Proportional to 2,056,868 and 4,429,818

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,868 : 4,429,818 = 4,429,818 : x
2. Step 2: Convert to fraction form
   2,056,868/4,429,818 = 4,429,818/x
3. Step 3: Cross multiply
   2,056,868x = 4,429,818 × 4,429,818
4. Step 4: Simplify right side
   2,056,868x = 19,623,287,513,124
5. Step 5: Solve for x
   x = 19,623,287,513,124/2,056,868
6. Step 6: Final answer
   x = 9,540,372.80