Finding the Third Proportional to 359,955 and 787,698

Step by Step Solution

1. Step 1: Write the proportion equation
   359,955 : 787,698 = 787,698 : x
2. Step 2: Convert to fraction form
   359,955/787,698 = 787,698/x
3. Step 3: Cross multiply
   359,955x = 787,698 × 787,698
4. Step 4: Simplify right side
   359,955x = 620,468,139,204
5. Step 5: Solve for x
   x = 620,468,139,204/359,955
6. Step 6: Final answer
   x = 1,723,738.08