Finding the Third Proportional to 227,348 and 478,264

Step by Step Solution

1. Step 1: Write the proportion equation
   227,348 : 478,264 = 478,264 : x
2. Step 2: Convert to fraction form
   227,348/478,264 = 478,264/x
3. Step 3: Cross multiply
   227,348x = 478,264 × 478,264
4. Step 4: Simplify right side
   227,348x = 228,736,453,696
5. Step 5: Solve for x
   x = 228,736,453,696/227,348
6. Step 6: Final answer
   x = 1,006,107.17