Finding the Third Proportional to 19,949 and 30,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,949 : 30,931.50 = 30,931.50 : x
2. Step 2: Convert to fraction form
   19,949/30,931.50 = 30,931.50/x
3. Step 3: Cross multiply
   19,949x = 30,931.50 × 30,931.50
4. Step 4: Simplify right side
   19,949x = 956,757,692.25
5. Step 5: Solve for x
   x = 956,757,692.25/19,949
6. Step 6: Final answer
   x = 47,960.18