Finding the Third Proportional to 803,244 and 1,689,318

Step by Step Solution

1. Step 1: Write the proportion equation
   803,244 : 1,689,318 = 1,689,318 : x
2. Step 2: Convert to fraction form
   803,244/1,689,318 = 1,689,318/x
3. Step 3: Cross multiply
   803,244x = 1,689,318 × 1,689,318
4. Step 4: Simplify right side
   803,244x = 2,853,795,305,124
5. Step 5: Solve for x
   x = 2,853,795,305,124/803,244
6. Step 6: Final answer
   x = 3,552,837.38