Finding the Third Proportional to 1,939,488 and 4,115,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,488 : 4,115,392 = 4,115,392 : x
2. Step 2: Convert to fraction form
   1,939,488/4,115,392 = 4,115,392/x
3. Step 3: Cross multiply
   1,939,488x = 4,115,392 × 4,115,392
4. Step 4: Simplify right side
   1,939,488x = 16,936,451,313,664
5. Step 5: Solve for x
   x = 16,936,451,313,664/1,939,488
6. Step 6: Final answer
   x = 8,732,434.19