Finding the Third Proportional to 1,333,839 and 2,921,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,839 : 2,921,856 = 2,921,856 : x
2. Step 2: Convert to fraction form
   1,333,839/2,921,856 = 2,921,856/x
3. Step 3: Cross multiply
   1,333,839x = 2,921,856 × 2,921,856
4. Step 4: Simplify right side
   1,333,839x = 8,537,242,484,736
5. Step 5: Solve for x
   x = 8,537,242,484,736/1,333,839
6. Step 6: Final answer
   x = 6,400,504.47