Finding the Third Proportional to 215,033.50 and 341,558

Step by Step Solution

1. Step 1: Write the proportion equation
   215,033.50 : 341,558 = 341,558 : x
2. Step 2: Convert to fraction form
   215,033.50/341,558 = 341,558/x
3. Step 3: Cross multiply
   215,033.50x = 341,558 × 341,558
4. Step 4: Simplify right side
   215,033.50x = 116,661,867,364
5. Step 5: Solve for x
   x = 116,661,867,364/215,033.50
6. Step 6: Final answer
   x = 542,528.80