Finding the Third Proportional to 215,872 and 458,050

Step by Step Solution

1. Step 1: Write the proportion equation
   215,872 : 458,050 = 458,050 : x
2. Step 2: Convert to fraction form
   215,872/458,050 = 458,050/x
3. Step 3: Cross multiply
   215,872x = 458,050 × 458,050
4. Step 4: Simplify right side
   215,872x = 209,809,802,500
5. Step 5: Solve for x
   x = 209,809,802,500/215,872
6. Step 6: Final answer
   x = 971,917.63