Finding the Third Proportional to 215,500 and 341,064

Step by Step Solution

1. Step 1: Write the proportion equation
   215,500 : 341,064 = 341,064 : x
2. Step 2: Convert to fraction form
   215,500/341,064 = 341,064/x
3. Step 3: Cross multiply
   215,500x = 341,064 × 341,064
4. Step 4: Simplify right side
   215,500x = 116,324,652,096
5. Step 5: Solve for x
   x = 116,324,652,096/215,500
6. Step 6: Final answer
   x = 539,789.57