Finding the Third Proportional to 865,192 and 1,157,328

Step by Step Solution

1. Step 1: Write the proportion equation
   865,192 : 1,157,328 = 1,157,328 : x
2. Step 2: Convert to fraction form
   865,192/1,157,328 = 1,157,328/x
3. Step 3: Cross multiply
   865,192x = 1,157,328 × 1,157,328
4. Step 4: Simplify right side
   865,192x = 1,339,408,099,584
5. Step 5: Solve for x
   x = 1,339,408,099,584/865,192
6. Step 6: Final answer
   x = 1,548,105.04