Finding the Third Proportional to 2,056,866 and 4,429,813

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,866 : 4,429,813 = 4,429,813 : x
2. Step 2: Convert to fraction form
   2,056,866/4,429,813 = 4,429,813/x
3. Step 3: Cross multiply
   2,056,866x = 4,429,813 × 4,429,813
4. Step 4: Simplify right side
   2,056,866x = 19,623,243,214,969
5. Step 5: Solve for x
   x = 19,623,243,214,969/2,056,866
6. Step 6: Final answer
   x = 9,540,360.54