Finding the Third Proportional to 554,996 and 1,309,706

Step by Step Solution

1. Step 1: Write the proportion equation
   554,996 : 1,309,706 = 1,309,706 : x
2. Step 2: Convert to fraction form
   554,996/1,309,706 = 1,309,706/x
3. Step 3: Cross multiply
   554,996x = 1,309,706 × 1,309,706
4. Step 4: Simplify right side
   554,996x = 1,715,329,806,436
5. Step 5: Solve for x
   x = 1,715,329,806,436/554,996
6. Step 6: Final answer
   x = 3,090,706.61