Finding the Third Proportional to 453,456 and 677,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,456 : 677,815.50 = 677,815.50 : x
2. Step 2: Convert to fraction form
   453,456/677,815.50 = 677,815.50/x
3. Step 3: Cross multiply
   453,456x = 677,815.50 × 677,815.50
4. Step 4: Simplify right side
   453,456x = 459,433,852,040.25
5. Step 5: Solve for x
   x = 459,433,852,040.25/453,456
6. Step 6: Final answer
   x = 1,013,182.87