Finding the Third Proportional to 31,851.50 and 69,241

Step by Step Solution

1. Step 1: Write the proportion equation
   31,851.50 : 69,241 = 69,241 : x
2. Step 2: Convert to fraction form
   31,851.50/69,241 = 69,241/x
3. Step 3: Cross multiply
   31,851.50x = 69,241 × 69,241
4. Step 4: Simplify right side
   31,851.50x = 4,794,316,081
5. Step 5: Solve for x
   x = 4,794,316,081/31,851.50
6. Step 6: Final answer
   x = 150,520.89