Finding the Third Proportional to 1,515,516 and 2,340,822

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,516 : 2,340,822 = 2,340,822 : x
2. Step 2: Convert to fraction form
   1,515,516/2,340,822 = 2,340,822/x
3. Step 3: Cross multiply
   1,515,516x = 2,340,822 × 2,340,822
4. Step 4: Simplify right side
   1,515,516x = 5,479,447,635,684
5. Step 5: Solve for x
   x = 5,479,447,635,684/1,515,516
6. Step 6: Final answer
   x = 3,615,565.68