Finding the Third Proportional to 922,603 and 1,298,661

Step by Step Solution

1. Step 1: Write the proportion equation
   922,603 : 1,298,661 = 1,298,661 : x
2. Step 2: Convert to fraction form
   922,603/1,298,661 = 1,298,661/x
3. Step 3: Cross multiply
   922,603x = 1,298,661 × 1,298,661
4. Step 4: Simplify right side
   922,603x = 1,686,520,392,921
5. Step 5: Solve for x
   x = 1,686,520,392,921/922,603
6. Step 6: Final answer
   x = 1,828,002.29