Finding the Third Proportional to 275,628 and 374,064.75

Step by Step Solution

1. Step 1: Write the proportion equation
   275,628 : 374,064.75 = 374,064.75 : x
2. Step 2: Convert to fraction form
   275,628/374,064.75 = 374,064.75/x
3. Step 3: Cross multiply
   275,628x = 374,064.75 × 374,064.75
4. Step 4: Simplify right side
   275,628x = 139,924,437,192.56
5. Step 5: Solve for x
   x = 139,924,437,192.56/275,628
6. Step 6: Final answer
   x = 507,656.83