Finding the Third Proportional to 31,984.88 and 66,020.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,984.88 : 66,020.06 = 66,020.06 : x
2. Step 2: Convert to fraction form
   31,984.88/66,020.06 = 66,020.06/x
3. Step 3: Cross multiply
   31,984.88x = 66,020.06 × 66,020.06
4. Step 4: Simplify right side
   31,984.88x = 4,358,648,652.50
5. Step 5: Solve for x
   x = 4,358,648,652.50/31,984.88
6. Step 6: Final answer
   x = 136,272.18