Finding the Third Proportional to 1,077,206 and 1,670,245

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,206 : 1,670,245 = 1,670,245 : x
2. Step 2: Convert to fraction form
   1,077,206/1,670,245 = 1,670,245/x
3. Step 3: Cross multiply
   1,077,206x = 1,670,245 × 1,670,245
4. Step 4: Simplify right side
   1,077,206x = 2,789,718,360,025
5. Step 5: Solve for x
   x = 2,789,718,360,025/1,077,206
6. Step 6: Final answer
   x = 2,589,772.39