Finding the Third Proportional to 155,074 and 223,574

Step by Step Solution

1. Step 1: Write the proportion equation
   155,074 : 223,574 = 223,574 : x
2. Step 2: Convert to fraction form
   155,074/223,574 = 223,574/x
3. Step 3: Cross multiply
   155,074x = 223,574 × 223,574
4. Step 4: Simplify right side
   155,074x = 49,985,333,476
5. Step 5: Solve for x
   x = 49,985,333,476/155,074
6. Step 6: Final answer
   x = 322,332.13