Finding the Third Proportional to 621,590 and 1,333,804

Step by Step Solution

1. Step 1: Write the proportion equation
   621,590 : 1,333,804 = 1,333,804 : x
2. Step 2: Convert to fraction form
   621,590/1,333,804 = 1,333,804/x
3. Step 3: Cross multiply
   621,590x = 1,333,804 × 1,333,804
4. Step 4: Simplify right side
   621,590x = 1,779,033,110,416
5. Step 5: Solve for x
   x = 1,779,033,110,416/621,590
6. Step 6: Final answer
   x = 2,862,068.42