Finding the Third Proportional to 40,359 and 87,522

Step by Step Solution

1. Step 1: Write the proportion equation
   40,359 : 87,522 = 87,522 : x
2. Step 2: Convert to fraction form
   40,359/87,522 = 87,522/x
3. Step 3: Cross multiply
   40,359x = 87,522 × 87,522
4. Step 4: Simplify right side
   40,359x = 7,660,100,484
5. Step 5: Solve for x
   x = 7,660,100,484/40,359
6. Step 6: Final answer
   x = 189,799.07