Finding the Third Proportional to 31,584.88 and 69,104.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,584.88 : 69,104.38 = 69,104.38 : x
2. Step 2: Convert to fraction form
   31,584.88/69,104.38 = 69,104.38/x
3. Step 3: Cross multiply
   31,584.88x = 69,104.38 × 69,104.38
4. Step 4: Simplify right side
   31,584.88x = 4,775,414,644.14
5. Step 5: Solve for x
   x = 4,775,414,644.14/31,584.88
6. Step 6: Final answer
   x = 151,193.08