Finding the Third Proportional to 31,028.06 and 66,975.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,028.06 : 66,975.61 = 66,975.61 : x
2. Step 2: Convert to fraction form
   31,028.06/66,975.61 = 66,975.61/x
3. Step 3: Cross multiply
   31,028.06x = 66,975.61 × 66,975.61
4. Step 4: Simplify right side
   31,028.06x = 4,485,732,251.15
5. Step 5: Solve for x
   x = 4,485,732,251.15/31,028.06
6. Step 6: Final answer
   x = 144,570.17