Finding the Third Proportional to 86,967 and 209,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,967 : 209,425.50 = 209,425.50 : x
2. Step 2: Convert to fraction form
   86,967/209,425.50 = 209,425.50/x
3. Step 3: Cross multiply
   86,967x = 209,425.50 × 209,425.50
4. Step 4: Simplify right side
   86,967x = 43,859,040,050.25
5. Step 5: Solve for x
   x = 43,859,040,050.25/86,967
6. Step 6: Final answer
   x = 504,318.19