Finding the Third Proportional to 656,820 and 1,418,424

Step by Step Solution

1. Step 1: Write the proportion equation
   656,820 : 1,418,424 = 1,418,424 : x
2. Step 2: Convert to fraction form
   656,820/1,418,424 = 1,418,424/x
3. Step 3: Cross multiply
   656,820x = 1,418,424 × 1,418,424
4. Step 4: Simplify right side
   656,820x = 2,011,926,643,776
5. Step 5: Solve for x
   x = 2,011,926,643,776/656,820
6. Step 6: Final answer
   x = 3,063,132.43