Finding the Third Proportional to 984,744 and 2,120,139

Step by Step Solution

1. Step 1: Write the proportion equation
   984,744 : 2,120,139 = 2,120,139 : x
2. Step 2: Convert to fraction form
   984,744/2,120,139 = 2,120,139/x
3. Step 3: Cross multiply
   984,744x = 2,120,139 × 2,120,139
4. Step 4: Simplify right side
   984,744x = 4,494,989,379,321
5. Step 5: Solve for x
   x = 4,494,989,379,321/984,744
6. Step 6: Final answer
   x = 4,564,627.33