Finding the Third Proportional to 31,134.09 and 49,221.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,134.09 : 49,221.84 = 49,221.84 : x
2. Step 2: Convert to fraction form
   31,134.09/49,221.84 = 49,221.84/x
3. Step 3: Cross multiply
   31,134.09x = 49,221.84 × 49,221.84
4. Step 4: Simplify right side
   31,134.09x = 2,422,789,902.15
5. Step 5: Solve for x
   x = 2,422,789,902.15/31,134.09
6. Step 6: Final answer
   x = 77,817.90