Finding the Third Proportional to 623,316 and 1,345,044

Step by Step Solution

1. Step 1: Write the proportion equation
   623,316 : 1,345,044 = 1,345,044 : x
2. Step 2: Convert to fraction form
   623,316/1,345,044 = 1,345,044/x
3. Step 3: Cross multiply
   623,316x = 1,345,044 × 1,345,044
4. Step 4: Simplify right side
   623,316x = 1,809,143,361,936
5. Step 5: Solve for x
   x = 1,809,143,361,936/623,316
6. Step 6: Final answer
   x = 2,902,449.74