Finding the Third Proportional to 31,631.50 and 47,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,631.50 : 47,359.50 = 47,359.50 : x
2. Step 2: Convert to fraction form
   31,631.50/47,359.50 = 47,359.50/x
3. Step 3: Cross multiply
   31,631.50x = 47,359.50 × 47,359.50
4. Step 4: Simplify right side
   31,631.50x = 2,242,922,240.25
5. Step 5: Solve for x
   x = 2,242,922,240.25/31,631.50
6. Step 6: Final answer
   x = 70,907.87