Finding the Third Proportional to 921,303 and 1,993,518

Step by Step Solution

1. Step 1: Write the proportion equation
   921,303 : 1,993,518 = 1,993,518 : x
2. Step 2: Convert to fraction form
   921,303/1,993,518 = 1,993,518/x
3. Step 3: Cross multiply
   921,303x = 1,993,518 × 1,993,518
4. Step 4: Simplify right side
   921,303x = 3,974,114,016,324
5. Step 5: Solve for x
   x = 3,974,114,016,324/921,303
6. Step 6: Final answer
   x = 4,313,579.81