Finding the Third Proportional to 117,732 and 254,890

Step by Step Solution

1. Step 1: Write the proportion equation
   117,732 : 254,890 = 254,890 : x
2. Step 2: Convert to fraction form
   117,732/254,890 = 254,890/x
3. Step 3: Cross multiply
   117,732x = 254,890 × 254,890
4. Step 4: Simplify right side
   117,732x = 64,968,912,100
5. Step 5: Solve for x
   x = 64,968,912,100/117,732
6. Step 6: Final answer
   x = 551,837.33