Finding the Third Proportional to 114,931 and 243,685

Step by Step Solution

1. Step 1: Write the proportion equation
   114,931 : 243,685 = 243,685 : x
2. Step 2: Convert to fraction form
   114,931/243,685 = 243,685/x
3. Step 3: Cross multiply
   114,931x = 243,685 × 243,685
4. Step 4: Simplify right side
   114,931x = 59,382,379,225
5. Step 5: Solve for x
   x = 59,382,379,225/114,931
6. Step 6: Final answer
   x = 516,678.52