Finding the Third Proportional to 992,238 and 2,178,876

Step by Step Solution

1. Step 1: Write the proportion equation
   992,238 : 2,178,876 = 2,178,876 : x
2. Step 2: Convert to fraction form
   992,238/2,178,876 = 2,178,876/x
3. Step 3: Cross multiply
   992,238x = 2,178,876 × 2,178,876
4. Step 4: Simplify right side
   992,238x = 4,747,500,623,376
5. Step 5: Solve for x
   x = 4,747,500,623,376/992,238
6. Step 6: Final answer
   x = 4,784,638.99