Finding the Third Proportional to 979,280 and 2,076,128

Step by Step Solution

1. Step 1: Write the proportion equation
   979,280 : 2,076,128 = 2,076,128 : x
2. Step 2: Convert to fraction form
   979,280/2,076,128 = 2,076,128/x
3. Step 3: Cross multiply
   979,280x = 2,076,128 × 2,076,128
4. Step 4: Simplify right side
   979,280x = 4,310,307,472,384
5. Step 5: Solve for x
   x = 4,310,307,472,384/979,280
6. Step 6: Final answer
   x = 4,401,506.69