Finding the Third Proportional to 60,717 and 90,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,717 : 90,451.50 = 90,451.50 : x
2. Step 2: Convert to fraction form
   60,717/90,451.50 = 90,451.50/x
3. Step 3: Cross multiply
   60,717x = 90,451.50 × 90,451.50
4. Step 4: Simplify right side
   60,717x = 8,181,473,852.25
5. Step 5: Solve for x
   x = 8,181,473,852.25/60,717
6. Step 6: Final answer
   x = 134,747.66