Finding the Third Proportional to 38,605.50 and 84,318.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,605.50 : 84,318.75 = 84,318.75 : x
2. Step 2: Convert to fraction form
   38,605.50/84,318.75 = 84,318.75/x
3. Step 3: Cross multiply
   38,605.50x = 84,318.75 × 84,318.75
4. Step 4: Simplify right side
   38,605.50x = 7,109,651,601.56
5. Step 5: Solve for x
   x = 7,109,651,601.56/38,605.50
6. Step 6: Final answer
   x = 184,161.62