Finding the Third Proportional to 1,005,887 and 2,168,590

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,887 : 2,168,590 = 2,168,590 : x
2. Step 2: Convert to fraction form
   1,005,887/2,168,590 = 2,168,590/x
3. Step 3: Cross multiply
   1,005,887x = 2,168,590 × 2,168,590
4. Step 4: Simplify right side
   1,005,887x = 4,702,782,588,100
5. Step 5: Solve for x
   x = 4,702,782,588,100/1,005,887
6. Step 6: Final answer
   x = 4,675,259.34