Finding the Third Proportional to 492,144 and 758,988

Step by Step Solution

1. Step 1: Write the proportion equation
   492,144 : 758,988 = 758,988 : x
2. Step 2: Convert to fraction form
   492,144/758,988 = 758,988/x
3. Step 3: Cross multiply
   492,144x = 758,988 × 758,988
4. Step 4: Simplify right side
   492,144x = 576,062,784,144
5. Step 5: Solve for x
   x = 576,062,784,144/492,144
6. Step 6: Final answer
   x = 1,170,516.73