Finding the Third Proportional to 898,397 and 1,321,321

Step by Step Solution

1. Step 1: Write the proportion equation
   898,397 : 1,321,321 = 1,321,321 : x
2. Step 2: Convert to fraction form
   898,397/1,321,321 = 1,321,321/x
3. Step 3: Cross multiply
   898,397x = 1,321,321 × 1,321,321
4. Step 4: Simplify right side
   898,397x = 1,745,889,185,041
5. Step 5: Solve for x
   x = 1,745,889,185,041/898,397
6. Step 6: Final answer
   x = 1,943,338.17