Finding the Third Proportional to 59,717 and 90,248

Step by Step Solution

1. Step 1: Write the proportion equation
   59,717 : 90,248 = 90,248 : x
2. Step 2: Convert to fraction form
   59,717/90,248 = 90,248/x
3. Step 3: Cross multiply
   59,717x = 90,248 × 90,248
4. Step 4: Simplify right side
   59,717x = 8,144,701,504
5. Step 5: Solve for x
   x = 8,144,701,504/59,717
6. Step 6: Final answer
   x = 136,388.32