Finding the Third Proportional to 2,118,006 and 4,640,334

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,006 : 4,640,334 = 4,640,334 : x
2. Step 2: Convert to fraction form
   2,118,006/4,640,334 = 4,640,334/x
3. Step 3: Cross multiply
   2,118,006x = 4,640,334 × 4,640,334
4. Step 4: Simplify right side
   2,118,006x = 21,532,699,631,556
5. Step 5: Solve for x
   x = 21,532,699,631,556/2,118,006
6. Step 6: Final answer
   x = 10,166,496.05