Finding the Third Proportional to 31,330 and 47,987.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,330 : 47,987.50 = 47,987.50 : x
2. Step 2: Convert to fraction form
   31,330/47,987.50 = 47,987.50/x
3. Step 3: Cross multiply
   31,330x = 47,987.50 × 47,987.50
4. Step 4: Simplify right side
   31,330x = 2,302,800,156.25
5. Step 5: Solve for x
   x = 2,302,800,156.25/31,330
6. Step 6: Final answer
   x = 73,501.44