Finding the Third Proportional to 215,056 and 333,672

Step by Step Solution

1. Step 1: Write the proportion equation
   215,056 : 333,672 = 333,672 : x
2. Step 2: Convert to fraction form
   215,056/333,672 = 333,672/x
3. Step 3: Cross multiply
   215,056x = 333,672 × 333,672
4. Step 4: Simplify right side
   215,056x = 111,337,003,584
5. Step 5: Solve for x
   x = 111,337,003,584/215,056
6. Step 6: Final answer
   x = 517,711.68