Finding the Third Proportional to 117,836 and 254,350

Step by Step Solution

1. Step 1: Write the proportion equation
   117,836 : 254,350 = 254,350 : x
2. Step 2: Convert to fraction form
   117,836/254,350 = 254,350/x
3. Step 3: Cross multiply
   117,836x = 254,350 × 254,350
4. Step 4: Simplify right side
   117,836x = 64,693,922,500
5. Step 5: Solve for x
   x = 64,693,922,500/117,836
6. Step 6: Final answer
   x = 549,016.62