Finding the Third Proportional to 2,181,316 and 4,665,895

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,316 : 4,665,895 = 4,665,895 : x
2. Step 2: Convert to fraction form
   2,181,316/4,665,895 = 4,665,895/x
3. Step 3: Cross multiply
   2,181,316x = 4,665,895 × 4,665,895
4. Step 4: Simplify right side
   2,181,316x = 21,770,576,151,025
5. Step 5: Solve for x
   x = 21,770,576,151,025/2,181,316
6. Step 6: Final answer
   x = 9,980,477.91