Finding the Third Proportional to 30,010.50 and 65,306.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,010.50 : 65,306.25 = 65,306.25 : x
2. Step 2: Convert to fraction form
   30,010.50/65,306.25 = 65,306.25/x
3. Step 3: Cross multiply
   30,010.50x = 65,306.25 × 65,306.25
4. Step 4: Simplify right side
   30,010.50x = 4,264,906,289.06
5. Step 5: Solve for x
   x = 4,264,906,289.06/30,010.50
6. Step 6: Final answer
   x = 142,113.80