Finding the Third Proportional to 118,253 and 254,002

Step by Step Solution

1. Step 1: Write the proportion equation
   118,253 : 254,002 = 254,002 : x
2. Step 2: Convert to fraction form
   118,253/254,002 = 254,002/x
3. Step 3: Cross multiply
   118,253x = 254,002 × 254,002
4. Step 4: Simplify right side
   118,253x = 64,517,016,004
5. Step 5: Solve for x
   x = 64,517,016,004/118,253
6. Step 6: Final answer
   x = 545,584.60