Finding the Third Proportional to 1,150,660 and 1,725,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,660 : 1,725,990 = 1,725,990 : x
2. Step 2: Convert to fraction form
   1,150,660/1,725,990 = 1,725,990/x
3. Step 3: Cross multiply
   1,150,660x = 1,725,990 × 1,725,990
4. Step 4: Simplify right side
   1,150,660x = 2,979,041,480,100
5. Step 5: Solve for x
   x = 2,979,041,480,100/1,150,660
6. Step 6: Final answer
   x = 2,588,985