Finding the Third Proportional to 2,056,872 and 4,429,826

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,872 : 4,429,826 = 4,429,826 : x
2. Step 2: Convert to fraction form
   2,056,872/4,429,826 = 4,429,826/x
3. Step 3: Cross multiply
   2,056,872x = 4,429,826 × 4,429,826
4. Step 4: Simplify right side
   2,056,872x = 19,623,358,390,276
5. Step 5: Solve for x
   x = 19,623,358,390,276/2,056,872
6. Step 6: Final answer
   x = 9,540,388.70