Finding the Third Proportional to 84,821.50 and 131,404

Step by Step Solution

1. Step 1: Write the proportion equation
   84,821.50 : 131,404 = 131,404 : x
2. Step 2: Convert to fraction form
   84,821.50/131,404 = 131,404/x
3. Step 3: Cross multiply
   84,821.50x = 131,404 × 131,404
4. Step 4: Simplify right side
   84,821.50x = 17,267,011,216
5. Step 5: Solve for x
   x = 17,267,011,216/84,821.50
6. Step 6: Final answer
   x = 203,568.80