Finding the Third Proportional to 116,149.50 and 254,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,149.50 : 254,443.50 = 254,443.50 : x
2. Step 2: Convert to fraction form
   116,149.50/254,443.50 = 254,443.50/x
3. Step 3: Cross multiply
   116,149.50x = 254,443.50 × 254,443.50
4. Step 4: Simplify right side
   116,149.50x = 64,741,494,692.25
5. Step 5: Solve for x
   x = 64,741,494,692.25/116,149.50
6. Step 6: Final answer
   x = 557,397.96