Finding the Third Proportional to 1,239,516 and 1,915,325

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,516 : 1,915,325 = 1,915,325 : x
2. Step 2: Convert to fraction form
   1,239,516/1,915,325 = 1,915,325/x
3. Step 3: Cross multiply
   1,239,516x = 1,915,325 × 1,915,325
4. Step 4: Simplify right side
   1,239,516x = 3,668,469,855,625
5. Step 5: Solve for x
   x = 3,668,469,855,625/1,239,516
6. Step 6: Final answer
   x = 2,959,598.63