Finding the Third Proportional to 1,823,429 and 3,967,942

Step by Step Solution

1. Step 1: Write the proportion equation
   1,823,429 : 3,967,942 = 3,967,942 : x
2. Step 2: Convert to fraction form
   1,823,429/3,967,942 = 3,967,942/x
3. Step 3: Cross multiply
   1,823,429x = 3,967,942 × 3,967,942
4. Step 4: Simplify right side
   1,823,429x = 15,744,563,715,364
5. Step 5: Solve for x
   x = 15,744,563,715,364/1,823,429
6. Step 6: Final answer
   x = 8,634,591.05