Finding the Third Proportional to 2,175,420 and 4,737,924

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,420 : 4,737,924 = 4,737,924 : x
2. Step 2: Convert to fraction form
   2,175,420/4,737,924 = 4,737,924/x
3. Step 3: Cross multiply
   2,175,420x = 4,737,924 × 4,737,924
4. Step 4: Simplify right side
   2,175,420x = 22,447,923,829,776
5. Step 5: Solve for x
   x = 22,447,923,829,776/2,175,420
6. Step 6: Final answer
   x = 10,318,891.91