Finding the Third Proportional to 1,782,440 and 3,711,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,440 : 3,711,760 = 3,711,760 : x
2. Step 2: Convert to fraction form
   1,782,440/3,711,760 = 3,711,760/x
3. Step 3: Cross multiply
   1,782,440x = 3,711,760 × 3,711,760
4. Step 4: Simplify right side
   1,782,440x = 13,777,162,297,600
5. Step 5: Solve for x
   x = 13,777,162,297,600/1,782,440
6. Step 6: Final answer
   x = 7,729,383.48