Finding the Third Proportional to 30,802.50 and 73,087

Step by Step Solution

1. Step 1: Write the proportion equation
   30,802.50 : 73,087 = 73,087 : x
2. Step 2: Convert to fraction form
   30,802.50/73,087 = 73,087/x
3. Step 3: Cross multiply
   30,802.50x = 73,087 × 73,087
4. Step 4: Simplify right side
   30,802.50x = 5,341,709,569
5. Step 5: Solve for x
   x = 5,341,709,569/30,802.50
6. Step 6: Final answer
   x = 173,418.05