Finding the Third Proportional to 48,721.50 and 65,675.81

Step by Step Solution

1. Step 1: Write the proportion equation
   48,721.50 : 65,675.81 = 65,675.81 : x
2. Step 2: Convert to fraction form
   48,721.50/65,675.81 = 65,675.81/x
3. Step 3: Cross multiply
   48,721.50x = 65,675.81 × 65,675.81
4. Step 4: Simplify right side
   48,721.50x = 4,313,312,347.54
5. Step 5: Solve for x
   x = 4,313,312,347.54/48,721.50
6. Step 6: Final answer
   x = 88,529.96