Finding the Third Proportional to 1,005,890 and 2,168,594

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,890 : 2,168,594 = 2,168,594 : x
2. Step 2: Convert to fraction form
   1,005,890/2,168,594 = 2,168,594/x
3. Step 3: Cross multiply
   1,005,890x = 2,168,594 × 2,168,594
4. Step 4: Simplify right side
   1,005,890x = 4,702,799,936,836
5. Step 5: Solve for x
   x = 4,702,799,936,836/1,005,890
6. Step 6: Final answer
   x = 4,675,262.64