Finding the Third Proportional to 30,126.75 and 65,612.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,126.75 : 65,612.25 = 65,612.25 : x
2. Step 2: Convert to fraction form
   30,126.75/65,612.25 = 65,612.25/x
3. Step 3: Cross multiply
   30,126.75x = 65,612.25 × 65,612.25
4. Step 4: Simplify right side
   30,126.75x = 4,304,967,350.06
5. Step 5: Solve for x
   x = 4,304,967,350.06/30,126.75
6. Step 6: Final answer
   x = 142,895.18