Finding the Third Proportional to 1,222,173 and 1,596,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,173 : 1,596,880 = 1,596,880 : x
2. Step 2: Convert to fraction form
   1,222,173/1,596,880 = 1,596,880/x
3. Step 3: Cross multiply
   1,222,173x = 1,596,880 × 1,596,880
4. Step 4: Simplify right side
   1,222,173x = 2,550,025,734,400
5. Step 5: Solve for x
   x = 2,550,025,734,400/1,222,173
6. Step 6: Final answer
   x = 2,086,468.72