Finding the Third Proportional to 30,403 and 65,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,403 : 65,301.50 = 65,301.50 : x
2. Step 2: Convert to fraction form
   30,403/65,301.50 = 65,301.50/x
3. Step 3: Cross multiply
   30,403x = 65,301.50 × 65,301.50
4. Step 4: Simplify right side
   30,403x = 4,264,285,902.25
5. Step 5: Solve for x
   x = 4,264,285,902.25/30,403
6. Step 6: Final answer
   x = 140,258.72