Finding the Third Proportional to 810,085 and 1,772,738

Step by Step Solution

1. Step 1: Write the proportion equation
   810,085 : 1,772,738 = 1,772,738 : x
2. Step 2: Convert to fraction form
   810,085/1,772,738 = 1,772,738/x
3. Step 3: Cross multiply
   810,085x = 1,772,738 × 1,772,738
4. Step 4: Simplify right side
   810,085x = 3,142,600,016,644
5. Step 5: Solve for x
   x = 3,142,600,016,644/810,085
6. Step 6: Final answer
   x = 3,879,346.02