Finding the Third Proportional to 554,994 and 1,309,701

Step by Step Solution

1. Step 1: Write the proportion equation
   554,994 : 1,309,701 = 1,309,701 : x
2. Step 2: Convert to fraction form
   554,994/1,309,701 = 1,309,701/x
3. Step 3: Cross multiply
   554,994x = 1,309,701 × 1,309,701
4. Step 4: Simplify right side
   554,994x = 1,715,316,709,401
5. Step 5: Solve for x
   x = 1,715,316,709,401/554,994
6. Step 6: Final answer
   x = 3,090,694.15