Finding the Third Proportional to 554,998 and 1,309,711

Step by Step Solution

1. Step 1: Write the proportion equation
   554,998 : 1,309,711 = 1,309,711 : x
2. Step 2: Convert to fraction form
   554,998/1,309,711 = 1,309,711/x
3. Step 3: Cross multiply
   554,998x = 1,309,711 × 1,309,711
4. Step 4: Simplify right side
   554,998x = 1,715,342,903,521
5. Step 5: Solve for x
   x = 1,715,342,903,521/554,998
6. Step 6: Final answer
   x = 3,090,719.07