Finding the Third Proportional to 1,129,790 and 1,580,245

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,790 : 1,580,245 = 1,580,245 : x
2. Step 2: Convert to fraction form
   1,129,790/1,580,245 = 1,580,245/x
3. Step 3: Cross multiply
   1,129,790x = 1,580,245 × 1,580,245
4. Step 4: Simplify right side
   1,129,790x = 2,497,174,260,025
5. Step 5: Solve for x
   x = 2,497,174,260,025/1,129,790
6. Step 6: Final answer
   x = 2,210,299.49