Finding the Third Proportional to 253,380 and 341,118

Step by Step Solution

1. Step 1: Write the proportion equation
   253,380 : 341,118 = 341,118 : x
2. Step 2: Convert to fraction form
   253,380/341,118 = 341,118/x
3. Step 3: Cross multiply
   253,380x = 341,118 × 341,118
4. Step 4: Simplify right side
   253,380x = 116,361,489,924
5. Step 5: Solve for x
   x = 116,361,489,924/253,380
6. Step 6: Final answer
   x = 459,237.07