Finding the Third Proportional to 959,406 and 2,111,988

Step by Step Solution

1. Step 1: Write the proportion equation
   959,406 : 2,111,988 = 2,111,988 : x
2. Step 2: Convert to fraction form
   959,406/2,111,988 = 2,111,988/x
3. Step 3: Cross multiply
   959,406x = 2,111,988 × 2,111,988
4. Step 4: Simplify right side
   959,406x = 4,460,493,312,144
5. Step 5: Solve for x
   x = 4,460,493,312,144/959,406
6. Step 6: Final answer
   x = 4,649,223.91