Finding the Third Proportional to 374,760 and 492,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,760 : 492,028.50 = 492,028.50 : x
2. Step 2: Convert to fraction form
   374,760/492,028.50 = 492,028.50/x
3. Step 3: Cross multiply
   374,760x = 492,028.50 × 492,028.50
4. Step 4: Simplify right side
   374,760x = 242,092,044,812.25
5. Step 5: Solve for x
   x = 242,092,044,812.25/374,760
6. Step 6: Final answer
   x = 645,992.22