Finding the Third Proportional to 2,620,864 and 3,949,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,864 : 3,949,784 = 3,949,784 : x
2. Step 2: Convert to fraction form
   2,620,864/3,949,784 = 3,949,784/x
3. Step 3: Cross multiply
   2,620,864x = 3,949,784 × 3,949,784
4. Step 4: Simplify right side
   2,620,864x = 15,600,793,646,656
5. Step 5: Solve for x
   x = 15,600,793,646,656/2,620,864
6. Step 6: Final answer
   x = 5,952,538.42