Finding the Third Proportional to 810,116 and 1,772,800

Step by Step Solution

1. Step 1: Write the proportion equation
   810,116 : 1,772,800 = 1,772,800 : x
2. Step 2: Convert to fraction form
   810,116/1,772,800 = 1,772,800/x
3. Step 3: Cross multiply
   810,116x = 1,772,800 × 1,772,800
4. Step 4: Simplify right side
   810,116x = 3,142,819,840,000
5. Step 5: Solve for x
   x = 3,142,819,840,000/810,116
6. Step 6: Final answer
   x = 3,879,468.92