Finding the Third Proportional to 2,858,240 and 4,549,760

Step by Step Solution

1. Step 1: Write the proportion equation
   2,858,240 : 4,549,760 = 4,549,760 : x
2. Step 2: Convert to fraction form
   2,858,240/4,549,760 = 4,549,760/x
3. Step 3: Cross multiply
   2,858,240x = 4,549,760 × 4,549,760
4. Step 4: Simplify right side
   2,858,240x = 20,700,316,057,600
5. Step 5: Solve for x
   x = 20,700,316,057,600/2,858,240
6. Step 6: Final answer
   x = 7,242,329.57