Finding the Third Proportional to 227,372 and 478,312

Step by Step Solution

1. Step 1: Write the proportion equation
   227,372 : 478,312 = 478,312 : x
2. Step 2: Convert to fraction form
   227,372/478,312 = 478,312/x
3. Step 3: Cross multiply
   227,372x = 478,312 × 478,312
4. Step 4: Simplify right side
   227,372x = 228,782,369,344
5. Step 5: Solve for x
   x = 228,782,369,344/227,372
6. Step 6: Final answer
   x = 1,006,202.92