Finding the Third Proportional to 67,485 and 156,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,485 : 156,231.50 = 156,231.50 : x
2. Step 2: Convert to fraction form
   67,485/156,231.50 = 156,231.50/x
3. Step 3: Cross multiply
   67,485x = 156,231.50 × 156,231.50
4. Step 4: Simplify right side
   67,485x = 24,408,281,592.25
5. Step 5: Solve for x
   x = 24,408,281,592.25/67,485
6. Step 6: Final answer
   x = 361,684.55