Finding the Third Proportional to 231,706 and 505,988

Step by Step Solution

1. Step 1: Write the proportion equation
   231,706 : 505,988 = 505,988 : x
2. Step 2: Convert to fraction form
   231,706/505,988 = 505,988/x
3. Step 3: Cross multiply
   231,706x = 505,988 × 505,988
4. Step 4: Simplify right side
   231,706x = 256,023,856,144
5. Step 5: Solve for x
   x = 256,023,856,144/231,706
6. Step 6: Final answer
   x = 1,104,951.34