Finding the Third Proportional to 114,946.50 and 243,576

Step by Step Solution

1. Step 1: Write the proportion equation
   114,946.50 : 243,576 = 243,576 : x
2. Step 2: Convert to fraction form
   114,946.50/243,576 = 243,576/x
3. Step 3: Cross multiply
   114,946.50x = 243,576 × 243,576
4. Step 4: Simplify right side
   114,946.50x = 59,329,267,776
5. Step 5: Solve for x
   x = 59,329,267,776/114,946.50
6. Step 6: Final answer
   x = 516,146.80