Finding the Third Proportional to 42,993.75 and 65,139.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,993.75 : 65,139.75 = 65,139.75 : x
2. Step 2: Convert to fraction form
   42,993.75/65,139.75 = 65,139.75/x
3. Step 3: Cross multiply
   42,993.75x = 65,139.75 × 65,139.75
4. Step 4: Simplify right side
   42,993.75x = 4,243,187,030.06
5. Step 5: Solve for x
   x = 4,243,187,030.06/42,993.75
6. Step 6: Final answer
   x = 98,693.11