Finding the Third Proportional to 85,064.25 and 178,835.25

Step by Step Solution

1. Step 1: Write the proportion equation
   85,064.25 : 178,835.25 = 178,835.25 : x
2. Step 2: Convert to fraction form
   85,064.25/178,835.25 = 178,835.25/x
3. Step 3: Cross multiply
   85,064.25x = 178,835.25 × 178,835.25
4. Step 4: Simplify right side
   85,064.25x = 31,982,046,642.56
5. Step 5: Solve for x
   x = 31,982,046,642.56/85,064.25
6. Step 6: Final answer
   x = 375,975.18