Finding the Third Proportional to 228,516 and 492,112

Step by Step Solution

1. Step 1: Write the proportion equation
   228,516 : 492,112 = 492,112 : x
2. Step 2: Convert to fraction form
   228,516/492,112 = 492,112/x
3. Step 3: Cross multiply
   228,516x = 492,112 × 492,112
4. Step 4: Simplify right side
   228,516x = 242,174,220,544
5. Step 5: Solve for x
   x = 242,174,220,544/228,516
6. Step 6: Final answer
   x = 1,059,769.21