Finding the Third Proportional to 103,945.50 and 242,509.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,945.50 : 242,509.50 = 242,509.50 : x
2. Step 2: Convert to fraction form
   103,945.50/242,509.50 = 242,509.50/x
3. Step 3: Cross multiply
   103,945.50x = 242,509.50 × 242,509.50
4. Step 4: Simplify right side
   103,945.50x = 58,810,857,590.25
5. Step 5: Solve for x
   x = 58,810,857,590.25/103,945.50
6. Step 6: Final answer
   x = 565,785.51