Finding the Third Proportional to 85,030 and 185,370

Step by Step Solution

1. Step 1: Write the proportion equation
   85,030 : 185,370 = 185,370 : x
2. Step 2: Convert to fraction form
   85,030/185,370 = 185,370/x
3. Step 3: Cross multiply
   85,030x = 185,370 × 185,370
4. Step 4: Simplify right side
   85,030x = 34,362,036,900
5. Step 5: Solve for x
   x = 34,362,036,900/85,030
6. Step 6: Final answer
   x = 404,116.63