Finding the Third Proportional to 31,529.25 and 67,979.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,529.25 : 67,979.25 = 67,979.25 : x
2. Step 2: Convert to fraction form
   31,529.25/67,979.25 = 67,979.25/x
3. Step 3: Cross multiply
   31,529.25x = 67,979.25 × 67,979.25
4. Step 4: Simplify right side
   31,529.25x = 4,621,178,430.56
5. Step 5: Solve for x
   x = 4,621,178,430.56/31,529.25
6. Step 6: Final answer
   x = 146,567.98