Finding the Third Proportional to 31,991.91 and 50,181.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,991.91 : 50,181.56 = 50,181.56 : x
2. Step 2: Convert to fraction form
   31,991.91/50,181.56 = 50,181.56/x
3. Step 3: Cross multiply
   31,991.91x = 50,181.56 × 50,181.56
4. Step 4: Simplify right side
   31,991.91x = 2,518,189,214.94
5. Step 5: Solve for x
   x = 2,518,189,214.94/31,991.91
6. Step 6: Final answer
   x = 78,713.32