Finding the Third Proportional to 43,686.50 and 65,944.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,686.50 : 65,944.75 = 65,944.75 : x
2. Step 2: Convert to fraction form
   43,686.50/65,944.75 = 65,944.75/x
3. Step 3: Cross multiply
   43,686.50x = 65,944.75 × 65,944.75
4. Step 4: Simplify right side
   43,686.50x = 4,348,710,052.56
5. Step 5: Solve for x
   x = 4,348,710,052.56/43,686.50
6. Step 6: Final answer
   x = 99,543.57