Finding the Third Proportional to 118,329 and 254,700

Step by Step Solution

1. Step 1: Write the proportion equation
   118,329 : 254,700 = 254,700 : x
2. Step 2: Convert to fraction form
   118,329/254,700 = 254,700/x
3. Step 3: Cross multiply
   118,329x = 254,700 × 254,700
4. Step 4: Simplify right side
   118,329x = 64,872,090,000
5. Step 5: Solve for x
   x = 64,872,090,000/118,329
6. Step 6: Final answer
   x = 548,234.92