Finding the Third Proportional to 30,015 and 65,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,015 : 65,119.50 = 65,119.50 : x
2. Step 2: Convert to fraction form
   30,015/65,119.50 = 65,119.50/x
3. Step 3: Cross multiply
   30,015x = 65,119.50 × 65,119.50
4. Step 4: Simplify right side
   30,015x = 4,240,549,280.25
5. Step 5: Solve for x
   x = 4,240,549,280.25/30,015
6. Step 6: Final answer
   x = 141,281.00