Finding the Third Proportional to 1,873,188 and 4,420,422

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873,188 : 4,420,422 = 4,420,422 : x
2. Step 2: Convert to fraction form
   1,873,188/4,420,422 = 4,420,422/x
3. Step 3: Cross multiply
   1,873,188x = 4,420,422 × 4,420,422
4. Step 4: Simplify right side
   1,873,188x = 19,540,130,658,084
5. Step 5: Solve for x
   x = 19,540,130,658,084/1,873,188
6. Step 6: Final answer
   x = 10,431,484.00