Finding the Third Proportional to 2,118,004 and 4,640,330

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,004 : 4,640,330 = 4,640,330 : x
2. Step 2: Convert to fraction form
   2,118,004/4,640,330 = 4,640,330/x
3. Step 3: Cross multiply
   2,118,004x = 4,640,330 × 4,640,330
4. Step 4: Simplify right side
   2,118,004x = 21,532,662,508,900
5. Step 5: Solve for x
   x = 21,532,662,508,900/2,118,004
6. Step 6: Final answer
   x = 10,166,488.12