Finding the Third Proportional to 230,220 and 499,812

Step by Step Solution

1. Step 1: Write the proportion equation
   230,220 : 499,812 = 499,812 : x
2. Step 2: Convert to fraction form
   230,220/499,812 = 499,812/x
3. Step 3: Cross multiply
   230,220x = 499,812 × 499,812
4. Step 4: Simplify right side
   230,220x = 249,812,035,344
5. Step 5: Solve for x
   x = 249,812,035,344/230,220
6. Step 6: Final answer
   x = 1,085,101.36