Finding the Third Proportional to 105,290 and 228,076

Step by Step Solution

1. Step 1: Write the proportion equation
   105,290 : 228,076 = 228,076 : x
2. Step 2: Convert to fraction form
   105,290/228,076 = 228,076/x
3. Step 3: Cross multiply
   105,290x = 228,076 × 228,076
4. Step 4: Simplify right side
   105,290x = 52,018,661,776
5. Step 5: Solve for x
   x = 52,018,661,776/105,290
6. Step 6: Final answer
   x = 494,051.30