Finding the Third Proportional to 118,217 and 256,095

Step by Step Solution

1. Step 1: Write the proportion equation
   118,217 : 256,095 = 256,095 : x
2. Step 2: Convert to fraction form
   118,217/256,095 = 256,095/x
3. Step 3: Cross multiply
   118,217x = 256,095 × 256,095
4. Step 4: Simplify right side
   118,217x = 65,584,649,025
5. Step 5: Solve for x
   x = 65,584,649,025/118,217
6. Step 6: Final answer
   x = 554,781.88