Finding the Third Proportional to 59,521 and 90,049.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,521 : 90,049.50 = 90,049.50 : x
2. Step 2: Convert to fraction form
   59,521/90,049.50 = 90,049.50/x
3. Step 3: Cross multiply
   59,521x = 90,049.50 × 90,049.50
4. Step 4: Simplify right side
   59,521x = 8,108,912,450.25
5. Step 5: Solve for x
   x = 8,108,912,450.25/59,521
6. Step 6: Final answer
   x = 136,236.16