Finding the Third Proportional to 116,629 and 254,360

Step by Step Solution

1. Step 1: Write the proportion equation
   116,629 : 254,360 = 254,360 : x
2. Step 2: Convert to fraction form
   116,629/254,360 = 254,360/x
3. Step 3: Cross multiply
   116,629x = 254,360 × 254,360
4. Step 4: Simplify right side
   116,629x = 64,699,009,600
5. Step 5: Solve for x
   x = 64,699,009,600/116,629
6. Step 6: Final answer
   x = 554,742.04