Finding the Third Proportional to 42,996 and 65,143.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,996 : 65,143.25 = 65,143.25 : x
2. Step 2: Convert to fraction form
   42,996/65,143.25 = 65,143.25/x
3. Step 3: Cross multiply
   42,996x = 65,143.25 × 65,143.25
4. Step 4: Simplify right side
   42,996x = 4,243,643,020.56
5. Step 5: Solve for x
   x = 4,243,643,020.56/42,996
6. Step 6: Final answer
   x = 98,698.55