Finding the Third Proportional to 47,669.50 and 72,787

Step by Step Solution

1. Step 1: Write the proportion equation
   47,669.50 : 72,787 = 72,787 : x
2. Step 2: Convert to fraction form
   47,669.50/72,787 = 72,787/x
3. Step 3: Cross multiply
   47,669.50x = 72,787 × 72,787
4. Step 4: Simplify right side
   47,669.50x = 5,297,947,369
5. Step 5: Solve for x
   x = 5,297,947,369/47,669.50
6. Step 6: Final answer
   x = 111,139.14