Finding the Third Proportional to 2,135,171 and 4,664,326

Step by Step Solution

1. Step 1: Write the proportion equation
   2,135,171 : 4,664,326 = 4,664,326 : x
2. Step 2: Convert to fraction form
   2,135,171/4,664,326 = 4,664,326/x
3. Step 3: Cross multiply
   2,135,171x = 4,664,326 × 4,664,326
4. Step 4: Simplify right side
   2,135,171x = 21,755,937,034,276
5. Step 5: Solve for x
   x = 21,755,937,034,276/2,135,171
6. Step 6: Final answer
   x = 10,189,318.34