Finding the Third Proportional to 226,480 and 492,272

Step by Step Solution

1. Step 1: Write the proportion equation
   226,480 : 492,272 = 492,272 : x
2. Step 2: Convert to fraction form
   226,480/492,272 = 492,272/x
3. Step 3: Cross multiply
   226,480x = 492,272 × 492,272
4. Step 4: Simplify right side
   226,480x = 242,331,721,984
5. Step 5: Solve for x
   x = 242,331,721,984/226,480
6. Step 6: Final answer
   x = 1,069,991.71