Finding the Third Proportional to 1,513,345 and 2,211,819

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,345 : 2,211,819 = 2,211,819 : x
2. Step 2: Convert to fraction form
   1,513,345/2,211,819 = 2,211,819/x
3. Step 3: Cross multiply
   1,513,345x = 2,211,819 × 2,211,819
4. Step 4: Simplify right side
   1,513,345x = 4,892,143,288,761
5. Step 5: Solve for x
   x = 4,892,143,288,761/1,513,345
6. Step 6: Final answer
   x = 3,232,668.88