Finding the Third Proportional to 67,599.50 and 156,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,599.50 : 156,488.50 = 156,488.50 : x
2. Step 2: Convert to fraction form
   67,599.50/156,488.50 = 156,488.50/x
3. Step 3: Cross multiply
   67,599.50x = 156,488.50 × 156,488.50
4. Step 4: Simplify right side
   67,599.50x = 24,488,650,632.25
5. Step 5: Solve for x
   x = 24,488,650,632.25/67,599.50
6. Step 6: Final answer
   x = 362,260.82