Finding the Third Proportional to 443,249 and 938,563

Step by Step Solution

1. Step 1: Write the proportion equation
   443,249 : 938,563 = 938,563 : x
2. Step 2: Convert to fraction form
   443,249/938,563 = 938,563/x
3. Step 3: Cross multiply
   443,249x = 938,563 × 938,563
4. Step 4: Simplify right side
   443,249x = 880,900,504,969
5. Step 5: Solve for x
   x = 880,900,504,969/443,249
6. Step 6: Final answer
   x = 1,987,371.67