Finding the Third Proportional to 436,399.52 and 677,300.80

Step by Step Solution

1. Step 1: Write the proportion equation
   436,399.52 : 677,300.80 = 677,300.80 : x
2. Step 2: Convert to fraction form
   436,399.52/677,300.80 = 677,300.80/x
3. Step 3: Cross multiply
   436,399.52x = 677,300.80 × 677,300.80
4. Step 4: Simplify right side
   436,399.52x = 458,736,374,738.92
5. Step 5: Solve for x
   x = 458,736,374,738.92/436,399.52
6. Step 6: Final answer
   x = 1,051,184.41