Finding the Third Proportional to 151,815.75 and 222,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,815.75 : 222,802.50 = 222,802.50 : x
2. Step 2: Convert to fraction form
   151,815.75/222,802.50 = 222,802.50/x
3. Step 3: Cross multiply
   151,815.75x = 222,802.50 × 222,802.50
4. Step 4: Simplify right side
   151,815.75x = 49,640,954,006.25
5. Step 5: Solve for x
   x = 49,640,954,006.25/151,815.75
6. Step 6: Final answer
   x = 326,981.58