Finding the Third Proportional to 215,034.50 and 341,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,034.50 : 341,559.50 = 341,559.50 : x
2. Step 2: Convert to fraction form
   215,034.50/341,559.50 = 341,559.50/x
3. Step 3: Cross multiply
   215,034.50x = 341,559.50 × 341,559.50
4. Step 4: Simplify right side
   215,034.50x = 116,662,892,040.25
5. Step 5: Solve for x
   x = 116,662,892,040.25/215,034.50
6. Step 6: Final answer
   x = 542,531.05