Finding the Third Proportional to 1,455,363 and 2,289,969

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455,363 : 2,289,969 = 2,289,969 : x
2. Step 2: Convert to fraction form
   1,455,363/2,289,969 = 2,289,969/x
3. Step 3: Cross multiply
   1,455,363x = 2,289,969 × 2,289,969
4. Step 4: Simplify right side
   1,455,363x = 5,243,958,020,961
5. Step 5: Solve for x
   x = 5,243,958,020,961/1,455,363
6. Step 6: Final answer
   x = 3,603,195.92