Finding the Third Proportional to 910,658 and 1,368,921

Step by Step Solution

1. Step 1: Write the proportion equation
   910,658 : 1,368,921 = 1,368,921 : x
2. Step 2: Convert to fraction form
   910,658/1,368,921 = 1,368,921/x
3. Step 3: Cross multiply
   910,658x = 1,368,921 × 1,368,921
4. Step 4: Simplify right side
   910,658x = 1,873,944,704,241
5. Step 5: Solve for x
   x = 1,873,944,704,241/910,658
6. Step 6: Final answer
   x = 2,057,791.95