Finding the Third Proportional to 163,411.50 and 222,781.88

Step by Step Solution

1. Step 1: Write the proportion equation
   163,411.50 : 222,781.88 = 222,781.88 : x
2. Step 2: Convert to fraction form
   163,411.50/222,781.88 = 222,781.88/x
3. Step 3: Cross multiply
   163,411.50x = 222,781.88 × 222,781.88
4. Step 4: Simplify right side
   163,411.50x = 49,631,763,828.52
5. Step 5: Solve for x
   x = 49,631,763,828.52/163,411.50
6. Step 6: Final answer
   x = 303,722.59