Finding the Third Proportional to 2,159,131 and 4,650,411

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,131 : 4,650,411 = 4,650,411 : x
2. Step 2: Convert to fraction form
   2,159,131/4,650,411 = 4,650,411/x
3. Step 3: Cross multiply
   2,159,131x = 4,650,411 × 4,650,411
4. Step 4: Simplify right side
   2,159,131x = 21,626,322,468,921
5. Step 5: Solve for x
   x = 21,626,322,468,921/2,159,131
6. Step 6: Final answer
   x = 10,016,216.00