Finding the Third Proportional to 665,826 and 1,043,364

Step by Step Solution

1. Step 1: Write the proportion equation
   665,826 : 1,043,364 = 1,043,364 : x
2. Step 2: Convert to fraction form
   665,826/1,043,364 = 1,043,364/x
3. Step 3: Cross multiply
   665,826x = 1,043,364 × 1,043,364
4. Step 4: Simplify right side
   665,826x = 1,088,608,436,496
5. Step 5: Solve for x
   x = 1,088,608,436,496/665,826
6. Step 6: Final answer
   x = 1,634,974.36