Finding the Third Proportional to 215,860 and 335,094

Step by Step Solution

1. Step 1: Write the proportion equation
   215,860 : 335,094 = 335,094 : x
2. Step 2: Convert to fraction form
   215,860/335,094 = 335,094/x
3. Step 3: Cross multiply
   215,860x = 335,094 × 335,094
4. Step 4: Simplify right side
   215,860x = 112,287,988,836
5. Step 5: Solve for x
   x = 112,287,988,836/215,860
6. Step 6: Final answer
   x = 520,188.96