Finding the Third Proportional to 2,141,739 and 4,656,720

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,739 : 4,656,720 = 4,656,720 : x
2. Step 2: Convert to fraction form
   2,141,739/4,656,720 = 4,656,720/x
3. Step 3: Cross multiply
   2,141,739x = 4,656,720 × 4,656,720
4. Step 4: Simplify right side
   2,141,739x = 21,685,041,158,400
5. Step 5: Solve for x
   x = 21,685,041,158,400/2,141,739
6. Step 6: Final answer
   x = 10,124,969.08