Finding the Third Proportional to 776,401.50 and 1,697,145

Step by Step Solution

1. Step 1: Write the proportion equation
   776,401.50 : 1,697,145 = 1,697,145 : x
2. Step 2: Convert to fraction form
   776,401.50/1,697,145 = 1,697,145/x
3. Step 3: Cross multiply
   776,401.50x = 1,697,145 × 1,697,145
4. Step 4: Simplify right side
   776,401.50x = 2,880,301,151,025
5. Step 5: Solve for x
   x = 2,880,301,151,025/776,401.50
6. Step 6: Final answer
   x = 3,709,808.84