Finding the Third Proportional to 64,900.27 and 140,872.22

Step by Step Solution

1. Step 1: Write the proportion equation
   64,900.27 : 140,872.22 = 140,872.22 : x
2. Step 2: Convert to fraction form
   64,900.27/140,872.22 = 140,872.22/x
3. Step 3: Cross multiply
   64,900.27x = 140,872.22 × 140,872.22
4. Step 4: Simplify right side
   64,900.27x = 19,844,982,015.55
5. Step 5: Solve for x
   x = 19,844,982,015.55/64,900.27
6. Step 6: Final answer
   x = 305,776.59