Finding the Third Proportional to 219,780 and 333,882

Step by Step Solution

1. Step 1: Write the proportion equation
   219,780 : 333,882 = 333,882 : x
2. Step 2: Convert to fraction form
   219,780/333,882 = 333,882/x
3. Step 3: Cross multiply
   219,780x = 333,882 × 333,882
4. Step 4: Simplify right side
   219,780x = 111,477,189,924
5. Step 5: Solve for x
   x = 111,477,189,924/219,780
6. Step 6: Final answer
   x = 507,221.72