Finding the Third Proportional to 2,158,984 and 4,737,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,984 : 4,737,872 = 4,737,872 : x
2. Step 2: Convert to fraction form
   2,158,984/4,737,872 = 4,737,872/x
3. Step 3: Cross multiply
   2,158,984x = 4,737,872 × 4,737,872
4. Step 4: Simplify right side
   2,158,984x = 22,447,431,088,384
5. Step 5: Solve for x
   x = 22,447,431,088,384/2,158,984
6. Step 6: Final answer
   x = 10,397,219.75