Finding the Third Proportional to 1,239,540 and 1,915,362

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,540 : 1,915,362 = 1,915,362 : x
2. Step 2: Convert to fraction form
   1,239,540/1,915,362 = 1,915,362/x
3. Step 3: Cross multiply
   1,239,540x = 1,915,362 × 1,915,362
4. Step 4: Simplify right side
   1,239,540x = 3,668,611,591,044
5. Step 5: Solve for x
   x = 3,668,611,591,044/1,239,540
6. Step 6: Final answer
   x = 2,959,655.67