Finding the Third Proportional to 86,967 and 137,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,967 : 137,452.50 = 137,452.50 : x
2. Step 2: Convert to fraction form
   86,967/137,452.50 = 137,452.50/x
3. Step 3: Cross multiply
   86,967x = 137,452.50 × 137,452.50
4. Step 4: Simplify right side
   86,967x = 18,893,189,756.25
5. Step 5: Solve for x
   x = 18,893,189,756.25/86,967
6. Step 6: Final answer
   x = 217,245.50