Finding the Third Proportional to 865,164 and 1,157,284

Step by Step Solution

1. Step 1: Write the proportion equation
   865,164 : 1,157,284 = 1,157,284 : x
2. Step 2: Convert to fraction form
   865,164/1,157,284 = 1,157,284/x
3. Step 3: Cross multiply
   865,164x = 1,157,284 × 1,157,284
4. Step 4: Simplify right side
   865,164x = 1,339,306,256,656
5. Step 5: Solve for x
   x = 1,339,306,256,656/865,164
6. Step 6: Final answer
   x = 1,548,037.43