Finding the Third Proportional to 1,333,856 and 2,921,888

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,856 : 2,921,888 = 2,921,888 : x
2. Step 2: Convert to fraction form
   1,333,856/2,921,888 = 2,921,888/x
3. Step 3: Cross multiply
   1,333,856x = 2,921,888 × 2,921,888
4. Step 4: Simplify right side
   1,333,856x = 8,537,429,484,544
5. Step 5: Solve for x
   x = 8,537,429,484,544/1,333,856
6. Step 6: Final answer
   x = 6,400,563.09