Finding the Third Proportional to 31,530 and 47,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,530 : 47,299.50 = 47,299.50 : x
2. Step 2: Convert to fraction form
   31,530/47,299.50 = 47,299.50/x
3. Step 3: Cross multiply
   31,530x = 47,299.50 × 47,299.50
4. Step 4: Simplify right side
   31,530x = 2,237,242,700.25
5. Step 5: Solve for x
   x = 2,237,242,700.25/31,530
6. Step 6: Final answer
   x = 70,956.00