Finding the Third Proportional to 2,146,878 and 4,549,716

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,878 : 4,549,716 = 4,549,716 : x
2. Step 2: Convert to fraction form
   2,146,878/4,549,716 = 4,549,716/x
3. Step 3: Cross multiply
   2,146,878x = 4,549,716 × 4,549,716
4. Step 4: Simplify right side
   2,146,878x = 20,699,915,680,656
5. Step 5: Solve for x
   x = 20,699,915,680,656/2,146,878
6. Step 6: Final answer
   x = 9,641,868.65