Finding the Third Proportional to 984,364 and 2,105,221

Step by Step Solution

1. Step 1: Write the proportion equation
   984,364 : 2,105,221 = 2,105,221 : x
2. Step 2: Convert to fraction form
   984,364/2,105,221 = 2,105,221/x
3. Step 3: Cross multiply
   984,364x = 2,105,221 × 2,105,221
4. Step 4: Simplify right side
   984,364x = 4,431,955,458,841
5. Step 5: Solve for x
   x = 4,431,955,458,841/984,364
6. Step 6: Final answer
   x = 4,502,354.27