Finding the Third Proportional to 86,791.50 and 175,997.81

Step by Step Solution

1. Step 1: Write the proportion equation
   86,791.50 : 175,997.81 = 175,997.81 : x
2. Step 2: Convert to fraction form
   86,791.50/175,997.81 = 175,997.81/x
3. Step 3: Cross multiply
   86,791.50x = 175,997.81 × 175,997.81
4. Step 4: Simplify right side
   86,791.50x = 30,975,230,004.79
5. Step 5: Solve for x
   x = 30,975,230,004.79/86,791.50
6. Step 6: Final answer
   x = 356,892.44