Finding the Third Proportional to 1,222,828 and 1,630,878

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,828 : 1,630,878 = 1,630,878 : x
2. Step 2: Convert to fraction form
   1,222,828/1,630,878 = 1,630,878/x
3. Step 3: Cross multiply
   1,222,828x = 1,630,878 × 1,630,878
4. Step 4: Simplify right side
   1,222,828x = 2,659,763,050,884
5. Step 5: Solve for x
   x = 2,659,763,050,884/1,222,828
6. Step 6: Final answer
   x = 2,175,091.71