Finding the Third Proportional to 222,540 and 341,586

Step by Step Solution

1. Step 1: Write the proportion equation
   222,540 : 341,586 = 341,586 : x
2. Step 2: Convert to fraction form
   222,540/341,586 = 341,586/x
3. Step 3: Cross multiply
   222,540x = 341,586 × 341,586
4. Step 4: Simplify right side
   222,540x = 116,680,995,396
5. Step 5: Solve for x
   x = 116,680,995,396/222,540
6. Step 6: Final answer
   x = 524,314.71