Finding the Third Proportional to 35,660.50 and 55,218.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,660.50 : 55,218.50 = 55,218.50 : x
2. Step 2: Convert to fraction form
   35,660.50/55,218.50 = 55,218.50/x
3. Step 3: Cross multiply
   35,660.50x = 55,218.50 × 55,218.50
4. Step 4: Simplify right side
   35,660.50x = 3,049,082,742.25
5. Step 5: Solve for x
   x = 3,049,082,742.25/35,660.50
6. Step 6: Final answer
   x = 85,503.08