Finding the Third Proportional to 656,623 and 1,437,808

Step by Step Solution

1. Step 1: Write the proportion equation
   656,623 : 1,437,808 = 1,437,808 : x
2. Step 2: Convert to fraction form
   656,623/1,437,808 = 1,437,808/x
3. Step 3: Cross multiply
   656,623x = 1,437,808 × 1,437,808
4. Step 4: Simplify right side
   656,623x = 2,067,291,844,864
5. Step 5: Solve for x
   x = 2,067,291,844,864/656,623
6. Step 6: Final answer
   x = 3,148,369.53