Finding the Third Proportional to 1,165,279 and 1,574,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165,279 : 1,574,388 = 1,574,388 : x
2. Step 2: Convert to fraction form
   1,165,279/1,574,388 = 1,574,388/x
3. Step 3: Cross multiply
   1,165,279x = 1,574,388 × 1,574,388
4. Step 4: Simplify right side
   1,165,279x = 2,478,697,574,544
5. Step 5: Solve for x
   x = 2,478,697,574,544/1,165,279
6. Step 6: Final answer
   x = 2,127,127.99