Finding the Third Proportional to 40,909 and 88,258

Step by Step Solution

1. Step 1: Write the proportion equation
   40,909 : 88,258 = 88,258 : x
2. Step 2: Convert to fraction form
   40,909/88,258 = 88,258/x
3. Step 3: Cross multiply
   40,909x = 88,258 × 88,258
4. Step 4: Simplify right side
   40,909x = 7,789,474,564
5. Step 5: Solve for x
   x = 7,789,474,564/40,909
6. Step 6: Final answer
   x = 190,409.80