Finding the Third Proportional to 359,690 and 787,904

Step by Step Solution

1. Step 1: Write the proportion equation
   359,690 : 787,904 = 787,904 : x
2. Step 2: Convert to fraction form
   359,690/787,904 = 787,904/x
3. Step 3: Cross multiply
   359,690x = 787,904 × 787,904
4. Step 4: Simplify right side
   359,690x = 620,792,713,216
5. Step 5: Solve for x
   x = 620,792,713,216/359,690
6. Step 6: Final answer
   x = 1,725,910.40