Finding the Third Proportional to 116,131.50 and 254,406.38

Step by Step Solution

1. Step 1: Write the proportion equation
   116,131.50 : 254,406.38 = 254,406.38 : x
2. Step 2: Convert to fraction form
   116,131.50/254,406.38 = 254,406.38/x
3. Step 3: Cross multiply
   116,131.50x = 254,406.38 × 254,406.38
4. Step 4: Simplify right side
   116,131.50x = 64,722,603,640.64
5. Step 5: Solve for x
   x = 64,722,603,640.64/116,131.50
6. Step 6: Final answer
   x = 557,321.69