Finding the Third Proportional to 73,915.50 and 162,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,915.50 : 162,145.50 = 162,145.50 : x
2. Step 2: Convert to fraction form
   73,915.50/162,145.50 = 162,145.50/x
3. Step 3: Cross multiply
   73,915.50x = 162,145.50 × 162,145.50
4. Step 4: Simplify right side
   73,915.50x = 26,291,163,170.25
5. Step 5: Solve for x
   x = 26,291,163,170.25/73,915.50
6. Step 6: Final answer
   x = 355,692.15