Finding the Third Proportional to 2,160,620 and 4,719,884

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,620 : 4,719,884 = 4,719,884 : x
2. Step 2: Convert to fraction form
   2,160,620/4,719,884 = 4,719,884/x
3. Step 3: Cross multiply
   2,160,620x = 4,719,884 × 4,719,884
4. Step 4: Simplify right side
   2,160,620x = 22,277,304,973,456
5. Step 5: Solve for x
   x = 22,277,304,973,456/2,160,620
6. Step 6: Final answer
   x = 10,310,607.59