Finding the Third Proportional to 656,530 and 1,428,091

Step by Step Solution

1. Step 1: Write the proportion equation
   656,530 : 1,428,091 = 1,428,091 : x
2. Step 2: Convert to fraction form
   656,530/1,428,091 = 1,428,091/x
3. Step 3: Cross multiply
   656,530x = 1,428,091 × 1,428,091
4. Step 4: Simplify right side
   656,530x = 2,039,443,904,281
5. Step 5: Solve for x
   x = 2,039,443,904,281/656,530
6. Step 6: Final answer
   x = 3,106,398.65