Finding the Third Proportional to 27,720 and 60,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,720 : 60,970.50 = 60,970.50 : x
2. Step 2: Convert to fraction form
   27,720/60,970.50 = 60,970.50/x
3. Step 3: Cross multiply
   27,720x = 60,970.50 × 60,970.50
4. Step 4: Simplify right side
   27,720x = 3,717,401,870.25
5. Step 5: Solve for x
   x = 3,717,401,870.25/27,720
6. Step 6: Final answer
   x = 134,105.41