Finding the Third Proportional to 728,145 and 1,596,258

Step by Step Solution

1. Step 1: Write the proportion equation
   728,145 : 1,596,258 = 1,596,258 : x
2. Step 2: Convert to fraction form
   728,145/1,596,258 = 1,596,258/x
3. Step 3: Cross multiply
   728,145x = 1,596,258 × 1,596,258
4. Step 4: Simplify right side
   728,145x = 2,548,039,602,564
5. Step 5: Solve for x
   x = 2,548,039,602,564/728,145
6. Step 6: Final answer
   x = 3,499,357.41