Finding the Third Proportional to 30,825.56 and 66,873.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,825.56 : 66,873.94 = 66,873.94 : x
2. Step 2: Convert to fraction form
   30,825.56/66,873.94 = 66,873.94/x
3. Step 3: Cross multiply
   30,825.56x = 66,873.94 × 66,873.94
4. Step 4: Simplify right side
   30,825.56x = 4,472,123,516.75
5. Step 5: Solve for x
   x = 4,472,123,516.75/30,825.56
6. Step 6: Final answer
   x = 145,078.41