Finding the Third Proportional to 71,867 and 156,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,867 : 156,317.50 = 156,317.50 : x
2. Step 2: Convert to fraction form
   71,867/156,317.50 = 156,317.50/x
3. Step 3: Cross multiply
   71,867x = 156,317.50 × 156,317.50
4. Step 4: Simplify right side
   71,867x = 24,435,160,806.25
5. Step 5: Solve for x
   x = 24,435,160,806.25/71,867
6. Step 6: Final answer
   x = 340,005.30