Finding the Third Proportional to 809,772 and 1,772,088

Step by Step Solution

1. Step 1: Write the proportion equation
   809,772 : 1,772,088 = 1,772,088 : x
2. Step 2: Convert to fraction form
   809,772/1,772,088 = 1,772,088/x
3. Step 3: Cross multiply
   809,772x = 1,772,088 × 1,772,088
4. Step 4: Simplify right side
   809,772x = 3,140,295,879,744
5. Step 5: Solve for x
   x = 3,140,295,879,744/809,772
6. Step 6: Final answer
   x = 3,878,000.08