Finding the Third Proportional to 116,631 and 254,363.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,631 : 254,363.50 = 254,363.50 : x
2. Step 2: Convert to fraction form
   116,631/254,363.50 = 254,363.50/x
3. Step 3: Cross multiply
   116,631x = 254,363.50 × 254,363.50
4. Step 4: Simplify right side
   116,631x = 64,700,790,132.25
5. Step 5: Solve for x
   x = 64,700,790,132.25/116,631
6. Step 6: Final answer
   x = 554,747.80