Finding the Third Proportional to 1,339,338 and 2,021,091

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,338 : 2,021,091 = 2,021,091 : x
2. Step 2: Convert to fraction form
   1,339,338/2,021,091 = 2,021,091/x
3. Step 3: Cross multiply
   1,339,338x = 2,021,091 × 2,021,091
4. Step 4: Simplify right side
   1,339,338x = 4,084,808,830,281
5. Step 5: Solve for x
   x = 4,084,808,830,281/1,339,338
6. Step 6: Final answer
   x = 3,049,871.53