Finding the Third Proportional to 660,550 and 1,435,878

Step by Step Solution

1. Step 1: Write the proportion equation
   660,550 : 1,435,878 = 1,435,878 : x
2. Step 2: Convert to fraction form
   660,550/1,435,878 = 1,435,878/x
3. Step 3: Cross multiply
   660,550x = 1,435,878 × 1,435,878
4. Step 4: Simplify right side
   660,550x = 2,061,745,630,884
5. Step 5: Solve for x
   x = 2,061,745,630,884/660,550
6. Step 6: Final answer
   x = 3,121,255.97