Finding the Third Proportional to 1,419,530 and 3,078,637

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,530 : 3,078,637 = 3,078,637 : x
2. Step 2: Convert to fraction form
   1,419,530/3,078,637 = 3,078,637/x
3. Step 3: Cross multiply
   1,419,530x = 3,078,637 × 3,078,637
4. Step 4: Simplify right side
   1,419,530x = 9,478,005,777,769
5. Step 5: Solve for x
   x = 9,478,005,777,769/1,419,530
6. Step 6: Final answer
   x = 6,676,861.90