Finding the Third Proportional to 810,120 and 1,772,808

Step by Step Solution

1. Step 1: Write the proportion equation
   810,120 : 1,772,808 = 1,772,808 : x
2. Step 2: Convert to fraction form
   810,120/1,772,808 = 1,772,808/x
3. Step 3: Cross multiply
   810,120x = 1,772,808 × 1,772,808
4. Step 4: Simplify right side
   810,120x = 3,142,848,204,864
5. Step 5: Solve for x
   x = 3,142,848,204,864/810,120
6. Step 6: Final answer
   x = 3,879,484.77