Finding the Third Proportional to 992,880 and 2,143,184

Step by Step Solution

1. Step 1: Write the proportion equation
   992,880 : 2,143,184 = 2,143,184 : x
2. Step 2: Convert to fraction form
   992,880/2,143,184 = 2,143,184/x
3. Step 3: Cross multiply
   992,880x = 2,143,184 × 2,143,184
4. Step 4: Simplify right side
   992,880x = 4,593,237,657,856
5. Step 5: Solve for x
   x = 4,593,237,657,856/992,880
6. Step 6: Final answer
   x = 4,626,176.03