Finding the Third Proportional to 984,240 and 2,146,356

Step by Step Solution

1. Step 1: Write the proportion equation
   984,240 : 2,146,356 = 2,146,356 : x
2. Step 2: Convert to fraction form
   984,240/2,146,356 = 2,146,356/x
3. Step 3: Cross multiply
   984,240x = 2,146,356 × 2,146,356
4. Step 4: Simplify right side
   984,240x = 4,606,844,078,736
5. Step 5: Solve for x
   x = 4,606,844,078,736/984,240
6. Step 6: Final answer
   x = 4,680,610.50