Finding the Third Proportional to 230,078.50 and 492,143

Step by Step Solution

1. Step 1: Write the proportion equation
   230,078.50 : 492,143 = 492,143 : x
2. Step 2: Convert to fraction form
   230,078.50/492,143 = 492,143/x
3. Step 3: Cross multiply
   230,078.50x = 492,143 × 492,143
4. Step 4: Simplify right side
   230,078.50x = 242,204,732,449
5. Step 5: Solve for x
   x = 242,204,732,449/230,078.50
6. Step 6: Final answer
   x = 1,052,704.76