Finding the Third Proportional to 31,697.16 and 49,054.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,697.16 : 49,054.78 = 49,054.78 : x
2. Step 2: Convert to fraction form
   31,697.16/49,054.78 = 49,054.78/x
3. Step 3: Cross multiply
   31,697.16x = 49,054.78 × 49,054.78
4. Step 4: Simplify right side
   31,697.16x = 2,406,371,563.49
5. Step 5: Solve for x
   x = 2,406,371,563.49/31,697.16
6. Step 6: Final answer
   x = 75,917.59