Finding the Third Proportional to 87,020.75 and 190,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,020.75 : 190,019.50 = 190,019.50 : x
2. Step 2: Convert to fraction form
   87,020.75/190,019.50 = 190,019.50/x
3. Step 3: Cross multiply
   87,020.75x = 190,019.50 × 190,019.50
4. Step 4: Simplify right side
   87,020.75x = 36,107,410,380.25
5. Step 5: Solve for x
   x = 36,107,410,380.25/87,020.75
6. Step 6: Final answer
   x = 414,928.74