Finding the Third Proportional to 155,584.50 and 341,289

Step by Step Solution

1. Step 1: Write the proportion equation
   155,584.50 : 341,289 = 341,289 : x
2. Step 2: Convert to fraction form
   155,584.50/341,289 = 341,289/x
3. Step 3: Cross multiply
   155,584.50x = 341,289 × 341,289
4. Step 4: Simplify right side
   155,584.50x = 116,478,181,521
5. Step 5: Solve for x
   x = 116,478,181,521/155,584.50
6. Step 6: Final answer
   x = 748,649.01