Finding the Third Proportional to 985,210 and 2,117,744

Step by Step Solution

1. Step 1: Write the proportion equation
   985,210 : 2,117,744 = 2,117,744 : x
2. Step 2: Convert to fraction form
   985,210/2,117,744 = 2,117,744/x
3. Step 3: Cross multiply
   985,210x = 2,117,744 × 2,117,744
4. Step 4: Simplify right side
   985,210x = 4,484,839,649,536
5. Step 5: Solve for x
   x = 4,484,839,649,536/985,210
6. Step 6: Final answer
   x = 4,552,166.19