Finding the Third Proportional to 155,521 and 307,384

Step by Step Solution

1. Step 1: Write the proportion equation
   155,521 : 307,384 = 307,384 : x
2. Step 2: Convert to fraction form
   155,521/307,384 = 307,384/x
3. Step 3: Cross multiply
   155,521x = 307,384 × 307,384
4. Step 4: Simplify right side
   155,521x = 94,484,923,456
5. Step 5: Solve for x
   x = 94,484,923,456/155,521
6. Step 6: Final answer
   x = 607,538.04