Finding the Third Proportional to 984,318 and 2,139,384

Step by Step Solution

1. Step 1: Write the proportion equation
   984,318 : 2,139,384 = 2,139,384 : x
2. Step 2: Convert to fraction form
   984,318/2,139,384 = 2,139,384/x
3. Step 3: Cross multiply
   984,318x = 2,139,384 × 2,139,384
4. Step 4: Simplify right side
   984,318x = 4,576,963,899,456
5. Step 5: Solve for x
   x = 4,576,963,899,456/984,318
6. Step 6: Final answer
   x = 4,649,883.37