Finding the Third Proportional to 116,866.50 and 254,238

Step by Step Solution

1. Step 1: Write the proportion equation
   116,866.50 : 254,238 = 254,238 : x
2. Step 2: Convert to fraction form
   116,866.50/254,238 = 254,238/x
3. Step 3: Cross multiply
   116,866.50x = 254,238 × 254,238
4. Step 4: Simplify right side
   116,866.50x = 64,636,960,644
5. Step 5: Solve for x
   x = 64,636,960,644/116,866.50
6. Step 6: Final answer
   x = 553,083.74