Finding the Third Proportional to 162,100.50 and 353,442

Step by Step Solution

1. Step 1: Write the proportion equation
   162,100.50 : 353,442 = 353,442 : x
2. Step 2: Convert to fraction form
   162,100.50/353,442 = 353,442/x
3. Step 3: Cross multiply
   162,100.50x = 353,442 × 353,442
4. Step 4: Simplify right side
   162,100.50x = 124,921,247,364
5. Step 5: Solve for x
   x = 124,921,247,364/162,100.50
6. Step 6: Final answer
   x = 770,640.73