Finding the Third Proportional to 1,158,084 and 1,670,689

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,084 : 1,670,689 = 1,670,689 : x
2. Step 2: Convert to fraction form
   1,158,084/1,670,689 = 1,670,689/x
3. Step 3: Cross multiply
   1,158,084x = 1,670,689 × 1,670,689
4. Step 4: Simplify right side
   1,158,084x = 2,791,201,734,721
5. Step 5: Solve for x
   x = 2,791,201,734,721/1,158,084
6. Step 6: Final answer
   x = 2,410,189.36