Finding the Third Proportional to 116,503 and 254,174

Step by Step Solution

1. Step 1: Write the proportion equation
   116,503 : 254,174 = 254,174 : x
2. Step 2: Convert to fraction form
   116,503/254,174 = 254,174/x
3. Step 3: Cross multiply
   116,503x = 254,174 × 254,174
4. Step 4: Simplify right side
   116,503x = 64,604,422,276
5. Step 5: Solve for x
   x = 64,604,422,276/116,503
6. Step 6: Final answer
   x = 554,530.12