Finding the Third Proportional to 118,242 and 253,108

Step by Step Solution

1. Step 1: Write the proportion equation
   118,242 : 253,108 = 253,108 : x
2. Step 2: Convert to fraction form
   118,242/253,108 = 253,108/x
3. Step 3: Cross multiply
   118,242x = 253,108 × 253,108
4. Step 4: Simplify right side
   118,242x = 64,063,659,664
5. Step 5: Solve for x
   x = 64,063,659,664/118,242
6. Step 6: Final answer
   x = 541,801.22