Finding the Third Proportional to 2,149,671 and 4,606,788

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149,671 : 4,606,788 = 4,606,788 : x
2. Step 2: Convert to fraction form
   2,149,671/4,606,788 = 4,606,788/x
3. Step 3: Cross multiply
   2,149,671x = 4,606,788 × 4,606,788
4. Step 4: Simplify right side
   2,149,671x = 21,222,495,676,944
5. Step 5: Solve for x
   x = 21,222,495,676,944/2,149,671
6. Step 6: Final answer
   x = 9,872,438.93