Finding the Third Proportional to 1,409,886 and 2,269,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,886 : 2,269,620 = 2,269,620 : x
2. Step 2: Convert to fraction form
   1,409,886/2,269,620 = 2,269,620/x
3. Step 3: Cross multiply
   1,409,886x = 2,269,620 × 2,269,620
4. Step 4: Simplify right side
   1,409,886x = 5,151,174,944,400
5. Step 5: Solve for x
   x = 5,151,174,944,400/1,409,886
6. Step 6: Final answer
   x = 3,653,610.96