Finding the Third Proportional to 116,430 and 254,028

Step by Step Solution

1. Step 1: Write the proportion equation
   116,430 : 254,028 = 254,028 : x
2. Step 2: Convert to fraction form
   116,430/254,028 = 254,028/x
3. Step 3: Cross multiply
   116,430x = 254,028 × 254,028
4. Step 4: Simplify right side
   116,430x = 64,530,224,784
5. Step 5: Solve for x
   x = 64,530,224,784/116,430
6. Step 6: Final answer
   x = 554,240.53