Finding the Third Proportional to 162,715.50 and 350,408

Step by Step Solution

1. Step 1: Write the proportion equation
   162,715.50 : 350,408 = 350,408 : x
2. Step 2: Convert to fraction form
   162,715.50/350,408 = 350,408/x
3. Step 3: Cross multiply
   162,715.50x = 350,408 × 350,408
4. Step 4: Simplify right side
   162,715.50x = 122,785,766,464
5. Step 5: Solve for x
   x = 122,785,766,464/162,715.50
6. Step 6: Final answer
   x = 754,604.00