Finding the Third Proportional to 42,686.37 and 65,954.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,686.37 : 65,954.57 = 65,954.57 : x
2. Step 2: Convert to fraction form
   42,686.37/65,954.57 = 65,954.57/x
3. Step 3: Cross multiply
   42,686.37x = 65,954.57 × 65,954.57
4. Step 4: Simplify right side
   42,686.37x = 4,350,004,829.84
5. Step 5: Solve for x
   x = 4,350,004,829.84/42,686.37
6. Step 6: Final answer
   x = 101,906.18