Finding the Third Proportional to 2,873,140 and 4,448,672

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873,140 : 4,448,672 = 4,448,672 : x
2. Step 2: Convert to fraction form
   2,873,140/4,448,672 = 4,448,672/x
3. Step 3: Cross multiply
   2,873,140x = 4,448,672 × 4,448,672
4. Step 4: Simplify right side
   2,873,140x = 19,790,682,563,584
5. Step 5: Solve for x
   x = 19,790,682,563,584/2,873,140
6. Step 6: Final answer
   x = 6,888,172.02