Finding the Third Proportional to 1,803,196 and 2,790,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803,196 : 2,790,642 = 2,790,642 : x
2. Step 2: Convert to fraction form
   1,803,196/2,790,642 = 2,790,642/x
3. Step 3: Cross multiply
   1,803,196x = 2,790,642 × 2,790,642
4. Step 4: Simplify right side
   1,803,196x = 7,787,682,772,164
5. Step 5: Solve for x
   x = 7,787,682,772,164/1,803,196
6. Step 6: Final answer
   x = 4,318,822.12