Finding the Third Proportional to 1,778,281 and 4,196,479

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,281 : 4,196,479 = 4,196,479 : x
2. Step 2: Convert to fraction form
   1,778,281/4,196,479 = 4,196,479/x
3. Step 3: Cross multiply
   1,778,281x = 4,196,479 × 4,196,479
4. Step 4: Simplify right side
   1,778,281x = 17,610,435,997,441
5. Step 5: Solve for x
   x = 17,610,435,997,441/1,778,281
6. Step 6: Final answer
   x = 9,903,067.06