Finding the Third Proportional to 1,239,622 and 1,915,497

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,622 : 1,915,497 = 1,915,497 : x
2. Step 2: Convert to fraction form
   1,239,622/1,915,497 = 1,915,497/x
3. Step 3: Cross multiply
   1,239,622x = 1,915,497 × 1,915,497
4. Step 4: Simplify right side
   1,239,622x = 3,669,128,757,009
5. Step 5: Solve for x
   x = 3,669,128,757,009/1,239,622
6. Step 6: Final answer
   x = 2,959,877.09