Finding the Third Proportional to 1,093,619 and 1,640,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093,619 : 1,640,406 = 1,640,406 : x
2. Step 2: Convert to fraction form
   1,093,619/1,640,406 = 1,640,406/x
3. Step 3: Cross multiply
   1,093,619x = 1,640,406 × 1,640,406
4. Step 4: Simplify right side
   1,093,619x = 2,690,931,844,836
5. Step 5: Solve for x
   x = 2,690,931,844,836/1,093,619
6. Step 6: Final answer
   x = 2,460,575.25