Finding the Third Proportional to 219,007.50 and 242,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   219,007.50 : 242,047.50 = 242,047.50 : x
2. Step 2: Convert to fraction form
   219,007.50/242,047.50 = 242,047.50/x
3. Step 3: Cross multiply
   219,007.50x = 242,047.50 × 242,047.50
4. Step 4: Simplify right side
   219,007.50x = 58,586,992,256.25
5. Step 5: Solve for x
   x = 58,586,992,256.25/219,007.50
6. Step 6: Final answer
   x = 267,511.35