Finding the Third Proportional to 1,129,816 and 1,580,271

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,816 : 1,580,271 = 1,580,271 : x
2. Step 2: Convert to fraction form
   1,129,816/1,580,271 = 1,580,271/x
3. Step 3: Cross multiply
   1,129,816x = 1,580,271 × 1,580,271
4. Step 4: Simplify right side
   1,129,816x = 2,497,256,433,441
5. Step 5: Solve for x
   x = 2,497,256,433,441/1,129,816
6. Step 6: Final answer
   x = 2,210,321.36