Finding the Third Proportional to 107,528.50 and 242,805

Step by Step Solution

1. Step 1: Write the proportion equation
   107,528.50 : 242,805 = 242,805 : x
2. Step 2: Convert to fraction form
   107,528.50/242,805 = 242,805/x
3. Step 3: Cross multiply
   107,528.50x = 242,805 × 242,805
4. Step 4: Simplify right side
   107,528.50x = 58,954,268,025
5. Step 5: Solve for x
   x = 58,954,268,025/107,528.50
6. Step 6: Final answer
   x = 548,266.44