Finding the Third Proportional to 85,122 and 185,170

Step by Step Solution

1. Step 1: Write the proportion equation
   85,122 : 185,170 = 185,170 : x
2. Step 2: Convert to fraction form
   85,122/185,170 = 185,170/x
3. Step 3: Cross multiply
   85,122x = 185,170 × 185,170
4. Step 4: Simplify right side
   85,122x = 34,287,928,900
5. Step 5: Solve for x
   x = 34,287,928,900/85,122
6. Step 6: Final answer
   x = 402,809.25