Finding the Third Proportional to 52,719 and 81,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,719 : 81,940.50 = 81,940.50 : x
2. Step 2: Convert to fraction form
   52,719/81,940.50 = 81,940.50/x
3. Step 3: Cross multiply
   52,719x = 81,940.50 × 81,940.50
4. Step 4: Simplify right side
   52,719x = 6,714,245,540.25
5. Step 5: Solve for x
   x = 6,714,245,540.25/52,719
6. Step 6: Final answer
   x = 127,359.12