Finding the Third Proportional to 1,813,932 and 3,959,442

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813,932 : 3,959,442 = 3,959,442 : x
2. Step 2: Convert to fraction form
   1,813,932/3,959,442 = 3,959,442/x
3. Step 3: Cross multiply
   1,813,932x = 3,959,442 × 3,959,442
4. Step 4: Simplify right side
   1,813,932x = 15,677,180,951,364
5. Step 5: Solve for x
   x = 15,677,180,951,364/1,813,932
6. Step 6: Final answer
   x = 8,642,650.86