Finding the Third Proportional to 784,578 and 1,677,048

Step by Step Solution

1. Step 1: Write the proportion equation
   784,578 : 1,677,048 = 1,677,048 : x
2. Step 2: Convert to fraction form
   784,578/1,677,048 = 1,677,048/x
3. Step 3: Cross multiply
   784,578x = 1,677,048 × 1,677,048
4. Step 4: Simplify right side
   784,578x = 2,812,489,994,304
5. Step 5: Solve for x
   x = 2,812,489,994,304/784,578
6. Step 6: Final answer
   x = 3,584,716.87