Finding the Third Proportional to 192,793.50 and 403,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,793.50 : 403,042.50 = 403,042.50 : x
2. Step 2: Convert to fraction form
   192,793.50/403,042.50 = 403,042.50/x
3. Step 3: Cross multiply
   192,793.50x = 403,042.50 × 403,042.50
4. Step 4: Simplify right side
   192,793.50x = 162,443,256,806.25
5. Step 5: Solve for x
   x = 162,443,256,806.25/192,793.50
6. Step 6: Final answer
   x = 842,576.42