Finding the Third Proportional to 811,764 and 1,764,816

Step by Step Solution

1. Step 1: Write the proportion equation
   811,764 : 1,764,816 = 1,764,816 : x
2. Step 2: Convert to fraction form
   811,764/1,764,816 = 1,764,816/x
3. Step 3: Cross multiply
   811,764x = 1,764,816 × 1,764,816
4. Step 4: Simplify right side
   811,764x = 3,114,575,513,856
5. Step 5: Solve for x
   x = 3,114,575,513,856/811,764
6. Step 6: Final answer
   x = 3,836,799.26