Finding the Third Proportional to 621,322 and 1,333,268

Step by Step Solution

1. Step 1: Write the proportion equation
   621,322 : 1,333,268 = 1,333,268 : x
2. Step 2: Convert to fraction form
   621,322/1,333,268 = 1,333,268/x
3. Step 3: Cross multiply
   621,322x = 1,333,268 × 1,333,268
4. Step 4: Simplify right side
   621,322x = 1,777,603,559,824
5. Step 5: Solve for x
   x = 1,777,603,559,824/621,322
6. Step 6: Final answer
   x = 2,861,002.12