Finding the Third Proportional to 30,955.50 and 67,845

Step by Step Solution

1. Step 1: Write the proportion equation
   30,955.50 : 67,845 = 67,845 : x
2. Step 2: Convert to fraction form
   30,955.50/67,845 = 67,845/x
3. Step 3: Cross multiply
   30,955.50x = 67,845 × 67,845
4. Step 4: Simplify right side
   30,955.50x = 4,602,944,025
5. Step 5: Solve for x
   x = 4,602,944,025/30,955.50
6. Step 6: Final answer
   x = 148,695.52