Finding the Third Proportional to 374,760 and 492,030

Step by Step Solution

1. Step 1: Write the proportion equation
   374,760 : 492,030 = 492,030 : x
2. Step 2: Convert to fraction form
   374,760/492,030 = 492,030/x
3. Step 3: Cross multiply
   374,760x = 492,030 × 492,030
4. Step 4: Simplify right side
   374,760x = 242,093,520,900
5. Step 5: Solve for x
   x = 242,093,520,900/374,760
6. Step 6: Final answer
   x = 645,996.16