Finding the Third Proportional to 776,909 and 1,697,915

Step by Step Solution

1. Step 1: Write the proportion equation
   776,909 : 1,697,915 = 1,697,915 : x
2. Step 2: Convert to fraction form
   776,909/1,697,915 = 1,697,915/x
3. Step 3: Cross multiply
   776,909x = 1,697,915 × 1,697,915
4. Step 4: Simplify right side
   776,909x = 2,882,915,347,225
5. Step 5: Solve for x
   x = 2,882,915,347,225/776,909
6. Step 6: Final answer
   x = 3,710,750.35