Finding the Third Proportional to 114,815.50 and 243,291

Step by Step Solution

1. Step 1: Write the proportion equation
   114,815.50 : 243,291 = 243,291 : x
2. Step 2: Convert to fraction form
   114,815.50/243,291 = 243,291/x
3. Step 3: Cross multiply
   114,815.50x = 243,291 × 243,291
4. Step 4: Simplify right side
   114,815.50x = 59,190,510,681
5. Step 5: Solve for x
   x = 59,190,510,681/114,815.50
6. Step 6: Final answer
   x = 515,527.18