Finding the Third Proportional to 226,812 and 488,292

Step by Step Solution

1. Step 1: Write the proportion equation
   226,812 : 488,292 = 488,292 : x
2. Step 2: Convert to fraction form
   226,812/488,292 = 488,292/x
3. Step 3: Cross multiply
   226,812x = 488,292 × 488,292
4. Step 4: Simplify right side
   226,812x = 238,429,077,264
5. Step 5: Solve for x
   x = 238,429,077,264/226,812
6. Step 6: Final answer
   x = 1,051,218.97