Finding the Third Proportional to 114,109.75 and 243,485.25

Step by Step Solution

1. Step 1: Write the proportion equation
   114,109.75 : 243,485.25 = 243,485.25 : x
2. Step 2: Convert to fraction form
   114,109.75/243,485.25 = 243,485.25/x
3. Step 3: Cross multiply
   114,109.75x = 243,485.25 × 243,485.25
4. Step 4: Simplify right side
   114,109.75x = 59,285,066,967.56
5. Step 5: Solve for x
   x = 59,285,066,967.56/114,109.75
6. Step 6: Final answer
   x = 519,544.27