Finding the Third Proportional to 989,714 and 2,119,396

Step by Step Solution

1. Step 1: Write the proportion equation
   989,714 : 2,119,396 = 2,119,396 : x
2. Step 2: Convert to fraction form
   989,714/2,119,396 = 2,119,396/x
3. Step 3: Cross multiply
   989,714x = 2,119,396 × 2,119,396
4. Step 4: Simplify right side
   989,714x = 4,491,839,404,816
5. Step 5: Solve for x
   x = 4,491,839,404,816/989,714
6. Step 6: Final answer
   x = 4,538,522.65