Finding the Third Proportional to 31,459.50 and 47,909.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,459.50 : 47,909.25 = 47,909.25 : x
2. Step 2: Convert to fraction form
   31,459.50/47,909.25 = 47,909.25/x
3. Step 3: Cross multiply
   31,459.50x = 47,909.25 × 47,909.25
4. Step 4: Simplify right side
   31,459.50x = 2,295,296,235.56
5. Step 5: Solve for x
   x = 2,295,296,235.56/31,459.50
6. Step 6: Final answer
   x = 72,960.35