Finding the Third Proportional to 238,821 and 503,562

Step by Step Solution

1. Step 1: Write the proportion equation
   238,821 : 503,562 = 503,562 : x
2. Step 2: Convert to fraction form
   238,821/503,562 = 503,562/x
3. Step 3: Cross multiply
   238,821x = 503,562 × 503,562
4. Step 4: Simplify right side
   238,821x = 253,574,687,844
5. Step 5: Solve for x
   x = 253,574,687,844/238,821
6. Step 6: Final answer
   x = 1,061,777.18