Finding the Third Proportional to 610,415 and 1,325,911

Step by Step Solution

1. Step 1: Write the proportion equation
   610,415 : 1,325,911 = 1,325,911 : x
2. Step 2: Convert to fraction form
   610,415/1,325,911 = 1,325,911/x
3. Step 3: Cross multiply
   610,415x = 1,325,911 × 1,325,911
4. Step 4: Simplify right side
   610,415x = 1,758,039,979,921
5. Step 5: Solve for x
   x = 1,758,039,979,921/610,415
6. Step 6: Final answer
   x = 2,880,073.36