Finding the Third Proportional to 143,541 and 205,470

Step by Step Solution

1. Step 1: Write the proportion equation
   143,541 : 205,470 = 205,470 : x
2. Step 2: Convert to fraction form
   143,541/205,470 = 205,470/x
3. Step 3: Cross multiply
   143,541x = 205,470 × 205,470
4. Step 4: Simplify right side
   143,541x = 42,217,920,900
5. Step 5: Solve for x
   x = 42,217,920,900/143,541
6. Step 6: Final answer
   x = 294,117.51