Finding the Third Proportional to 1,878,630 and 4,057,338

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878,630 : 4,057,338 = 4,057,338 : x
2. Step 2: Convert to fraction form
   1,878,630/4,057,338 = 4,057,338/x
3. Step 3: Cross multiply
   1,878,630x = 4,057,338 × 4,057,338
4. Step 4: Simplify right side
   1,878,630x = 16,461,991,646,244
5. Step 5: Solve for x
   x = 16,461,991,646,244/1,878,630
6. Step 6: Final answer
   x = 8,762,764.17