Finding the Third Proportional to 31,773.75 and 69,081

Step by Step Solution

1. Step 1: Write the proportion equation
   31,773.75 : 69,081 = 69,081 : x
2. Step 2: Convert to fraction form
   31,773.75/69,081 = 69,081/x
3. Step 3: Cross multiply
   31,773.75x = 69,081 × 69,081
4. Step 4: Simplify right side
   31,773.75x = 4,772,184,561
5. Step 5: Solve for x
   x = 4,772,184,561/31,773.75
6. Step 6: Final answer
   x = 150,192.68