Finding the Third Proportional to 226,090 and 491,060

Step by Step Solution

1. Step 1: Write the proportion equation
   226,090 : 491,060 = 491,060 : x
2. Step 2: Convert to fraction form
   226,090/491,060 = 491,060/x
3. Step 3: Cross multiply
   226,090x = 491,060 × 491,060
4. Step 4: Simplify right side
   226,090x = 241,139,923,600
5. Step 5: Solve for x
   x = 241,139,923,600/226,090
6. Step 6: Final answer
   x = 1,066,566.07