Finding the Third Proportional to 2,166,759 and 4,613,445

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,759 : 4,613,445 = 4,613,445 : x
2. Step 2: Convert to fraction form
   2,166,759/4,613,445 = 4,613,445/x
3. Step 3: Cross multiply
   2,166,759x = 4,613,445 × 4,613,445
4. Step 4: Simplify right side
   2,166,759x = 21,283,874,768,025
5. Step 5: Solve for x
   x = 21,283,874,768,025/2,166,759
6. Step 6: Final answer
   x = 9,822,908.21