Finding the Third Proportional to 2,166,936 and 4,666,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,936 : 4,666,872 = 4,666,872 : x
2. Step 2: Convert to fraction form
   2,166,936/4,666,872 = 4,666,872/x
3. Step 3: Cross multiply
   2,166,936x = 4,666,872 × 4,666,872
4. Step 4: Simplify right side
   2,166,936x = 21,779,694,264,384
5. Step 5: Solve for x
   x = 21,779,694,264,384/2,166,936
6. Step 6: Final answer
   x = 10,050,917.18