Finding the Third Proportional to 985,944 and 2,121,336

Step by Step Solution

1. Step 1: Write the proportion equation
   985,944 : 2,121,336 = 2,121,336 : x
2. Step 2: Convert to fraction form
   985,944/2,121,336 = 2,121,336/x
3. Step 3: Cross multiply
   985,944x = 2,121,336 × 2,121,336
4. Step 4: Simplify right side
   985,944x = 4,500,066,424,896
5. Step 5: Solve for x
   x = 4,500,066,424,896/985,944
6. Step 6: Final answer
   x = 4,564,221.12