Finding the Third Proportional to 118,240 and 253,104

Step by Step Solution

1. Step 1: Write the proportion equation
   118,240 : 253,104 = 253,104 : x
2. Step 2: Convert to fraction form
   118,240/253,104 = 253,104/x
3. Step 3: Cross multiply
   118,240x = 253,104 × 253,104
4. Step 4: Simplify right side
   118,240x = 64,061,634,816
5. Step 5: Solve for x
   x = 64,061,634,816/118,240
6. Step 6: Final answer
   x = 541,793.26