Finding the Third Proportional to 114,810.50 and 243,281

Step by Step Solution

1. Step 1: Write the proportion equation
   114,810.50 : 243,281 = 243,281 : x
2. Step 2: Convert to fraction form
   114,810.50/243,281 = 243,281/x
3. Step 3: Cross multiply
   114,810.50x = 243,281 × 243,281
4. Step 4: Simplify right side
   114,810.50x = 59,185,644,961
5. Step 5: Solve for x
   x = 59,185,644,961/114,810.50
6. Step 6: Final answer
   x = 515,507.25