Finding the Third Proportional to 656,630 and 1,437,820

Step by Step Solution

1. Step 1: Write the proportion equation
   656,630 : 1,437,820 = 1,437,820 : x
2. Step 2: Convert to fraction form
   656,630/1,437,820 = 1,437,820/x
3. Step 3: Cross multiply
   656,630x = 1,437,820 × 1,437,820
4. Step 4: Simplify right side
   656,630x = 2,067,326,352,400
5. Step 5: Solve for x
   x = 2,067,326,352,400/656,630
6. Step 6: Final answer
   x = 3,148,388.52