Finding the Third Proportional to 31,827.75 and 69,361.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,827.75 : 69,361.88 = 69,361.88 : x
2. Step 2: Convert to fraction form
   31,827.75/69,361.88 = 69,361.88/x
3. Step 3: Cross multiply
   31,827.75x = 69,361.88 × 69,361.88
4. Step 4: Simplify right side
   31,827.75x = 4,811,069,703.52
5. Step 5: Solve for x
   x = 4,811,069,703.52/31,827.75
6. Step 6: Final answer
   x = 151,159.59