Finding the Third Proportional to 809,818 and 1,772,180

Step by Step Solution

1. Step 1: Write the proportion equation
   809,818 : 1,772,180 = 1,772,180 : x
2. Step 2: Convert to fraction form
   809,818/1,772,180 = 1,772,180/x
3. Step 3: Cross multiply
   809,818x = 1,772,180 × 1,772,180
4. Step 4: Simplify right side
   809,818x = 3,140,621,952,400
5. Step 5: Solve for x
   x = 3,140,621,952,400/809,818
6. Step 6: Final answer
   x = 3,878,182.45