Finding the Third Proportional to 117,255 and 238,650

Step by Step Solution

1. Step 1: Write the proportion equation
   117,255 : 238,650 = 238,650 : x
2. Step 2: Convert to fraction form
   117,255/238,650 = 238,650/x
3. Step 3: Cross multiply
   117,255x = 238,650 × 238,650
4. Step 4: Simplify right side
   117,255x = 56,953,822,500
5. Step 5: Solve for x
   x = 56,953,822,500/117,255
6. Step 6: Final answer
   x = 485,726.17