Finding the Third Proportional to 47,721 and 71,551.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,721 : 71,551.50 = 71,551.50 : x
2. Step 2: Convert to fraction form
   47,721/71,551.50 = 71,551.50/x
3. Step 3: Cross multiply
   47,721x = 71,551.50 × 71,551.50
4. Step 4: Simplify right side
   47,721x = 5,119,617,152.25
5. Step 5: Solve for x
   x = 5,119,617,152.25/47,721
6. Step 6: Final answer
   x = 107,282.27