Finding the Third Proportional to 79,680.50 and 116,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,680.50 : 116,650.50 = 116,650.50 : x
2. Step 2: Convert to fraction form
   79,680.50/116,650.50 = 116,650.50/x
3. Step 3: Cross multiply
   79,680.50x = 116,650.50 × 116,650.50
4. Step 4: Simplify right side
   79,680.50x = 13,607,339,150.25
5. Step 5: Solve for x
   x = 13,607,339,150.25/79,680.50
6. Step 6: Final answer
   x = 170,773.77