Finding the Third Proportional to 51,834.50 and 80,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,834.50 : 80,042.50 = 80,042.50 : x
2. Step 2: Convert to fraction form
   51,834.50/80,042.50 = 80,042.50/x
3. Step 3: Cross multiply
   51,834.50x = 80,042.50 × 80,042.50
4. Step 4: Simplify right side
   51,834.50x = 6,406,801,806.25
5. Step 5: Solve for x
   x = 6,406,801,806.25/51,834.50
6. Step 6: Final answer
   x = 123,601.11