Finding the Third Proportional to 215,001 and 333,588

Step by Step Solution

1. Step 1: Write the proportion equation
   215,001 : 333,588 = 333,588 : x
2. Step 2: Convert to fraction form
   215,001/333,588 = 333,588/x
3. Step 3: Cross multiply
   215,001x = 333,588 × 333,588
4. Step 4: Simplify right side
   215,001x = 111,280,953,744
5. Step 5: Solve for x
   x = 111,280,953,744/215,001
6. Step 6: Final answer
   x = 517,583.42