Finding the Third Proportional to 143,332 and 222,389

Step by Step Solution

1. Step 1: Write the proportion equation
   143,332 : 222,389 = 222,389 : x
2. Step 2: Convert to fraction form
   143,332/222,389 = 222,389/x
3. Step 3: Cross multiply
   143,332x = 222,389 × 222,389
4. Step 4: Simplify right side
   143,332x = 49,456,867,321
5. Step 5: Solve for x
   x = 49,456,867,321/143,332
6. Step 6: Final answer
   x = 345,051.12