Finding the Third Proportional to 35,579.50 and 55,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,579.50 : 55,811.50 = 55,811.50 : x
2. Step 2: Convert to fraction form
   35,579.50/55,811.50 = 55,811.50/x
3. Step 3: Cross multiply
   35,579.50x = 55,811.50 × 55,811.50
4. Step 4: Simplify right side
   35,579.50x = 3,114,923,532.25
5. Step 5: Solve for x
   x = 3,114,923,532.25/35,579.50
6. Step 6: Final answer
   x = 87,548.27