Finding the Third Proportional to 79,813 and 116,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,813 : 116,209.50 = 116,209.50 : x
2. Step 2: Convert to fraction form
   79,813/116,209.50 = 116,209.50/x
3. Step 3: Cross multiply
   79,813x = 116,209.50 × 116,209.50
4. Step 4: Simplify right side
   79,813x = 13,504,647,890.25
5. Step 5: Solve for x
   x = 13,504,647,890.25/79,813
6. Step 6: Final answer
   x = 169,203.61