Finding the Third Proportional to 902,617 and 1,982,389

Step by Step Solution

1. Step 1: Write the proportion equation
   902,617 : 1,982,389 = 1,982,389 : x
2. Step 2: Convert to fraction form
   902,617/1,982,389 = 1,982,389/x
3. Step 3: Cross multiply
   902,617x = 1,982,389 × 1,982,389
4. Step 4: Simplify right side
   902,617x = 3,929,866,147,321
5. Step 5: Solve for x
   x = 3,929,866,147,321/902,617
6. Step 6: Final answer
   x = 4,353,857.89