Finding the Third Proportional to 1,809,216 and 2,798,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809,216 : 2,798,840 = 2,798,840 : x
2. Step 2: Convert to fraction form
   1,809,216/2,798,840 = 2,798,840/x
3. Step 3: Cross multiply
   1,809,216x = 2,798,840 × 2,798,840
4. Step 4: Simplify right side
   1,809,216x = 7,833,505,345,600
5. Step 5: Solve for x
   x = 7,833,505,345,600/1,809,216
6. Step 6: Final answer
   x = 4,329,778.95