Finding the Third Proportional to 4,181,910 and 9,071,916

Step by Step Solution

1. Step 1: Write the proportion equation
   4,181,910 : 9,071,916 = 9,071,916 : x
2. Step 2: Convert to fraction form
   4,181,910/9,071,916 = 9,071,916/x
3. Step 3: Cross multiply
   4,181,910x = 9,071,916 × 9,071,916
4. Step 4: Simplify right side
   4,181,910x = 82,299,659,911,056
5. Step 5: Solve for x
   x = 82,299,659,911,056/4,181,910
6. Step 6: Final answer
   x = 19,679,921.35