Finding the Third Proportional to 38,616.75 and 79,617.94

Step by Step Solution

1. Step 1: Write the proportion equation
   38,616.75 : 79,617.94 = 79,617.94 : x
2. Step 2: Convert to fraction form
   38,616.75/79,617.94 = 79,617.94/x
3. Step 3: Cross multiply
   38,616.75x = 79,617.94 × 79,617.94
4. Step 4: Simplify right side
   38,616.75x = 6,339,015,971.75
5. Step 5: Solve for x
   x = 6,339,015,971.75/38,616.75
6. Step 6: Final answer
   x = 164,151.98