Finding the Third Proportional to 878,268 and 1,958,478

Step by Step Solution

1. Step 1: Write the proportion equation
   878,268 : 1,958,478 = 1,958,478 : x
2. Step 2: Convert to fraction form
   878,268/1,958,478 = 1,958,478/x
3. Step 3: Cross multiply
   878,268x = 1,958,478 × 1,958,478
4. Step 4: Simplify right side
   878,268x = 3,835,636,076,484
5. Step 5: Solve for x
   x = 3,835,636,076,484/878,268
6. Step 6: Final answer
   x = 4,367,272.95