Finding the Third Proportional to 85,172.25 and 179,172

Step by Step Solution

1. Step 1: Write the proportion equation
   85,172.25 : 179,172 = 179,172 : x
2. Step 2: Convert to fraction form
   85,172.25/179,172 = 179,172/x
3. Step 3: Cross multiply
   85,172.25x = 179,172 × 179,172
4. Step 4: Simplify right side
   85,172.25x = 32,102,605,584
5. Step 5: Solve for x
   x = 32,102,605,584/85,172.25
6. Step 6: Final answer
   x = 376,913.91