Finding the Third Proportional to 984,208 and 2,131,658

Step by Step Solution

1. Step 1: Write the proportion equation
   984,208 : 2,131,658 = 2,131,658 : x
2. Step 2: Convert to fraction form
   984,208/2,131,658 = 2,131,658/x
3. Step 3: Cross multiply
   984,208x = 2,131,658 × 2,131,658
4. Step 4: Simplify right side
   984,208x = 4,543,965,828,964
5. Step 5: Solve for x
   x = 4,543,965,828,964/984,208
6. Step 6: Final answer
   x = 4,616,875.53