Finding the Third Proportional to 84,643.50 and 131,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,643.50 : 131,485.50 = 131,485.50 : x
2. Step 2: Convert to fraction form
   84,643.50/131,485.50 = 131,485.50/x
3. Step 3: Cross multiply
   84,643.50x = 131,485.50 × 131,485.50
4. Step 4: Simplify right side
   84,643.50x = 17,288,436,710.25
5. Step 5: Solve for x
   x = 17,288,436,710.25/84,643.50
6. Step 6: Final answer
   x = 204,250.02