Finding the Third Proportional to 453,445 and 677,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,445 : 677,797.50 = 677,797.50 : x
2. Step 2: Convert to fraction form
   453,445/677,797.50 = 677,797.50/x
3. Step 3: Cross multiply
   453,445x = 677,797.50 × 677,797.50
4. Step 4: Simplify right side
   453,445x = 459,409,451,006.25
5. Step 5: Solve for x
   x = 459,409,451,006.25/453,445
6. Step 6: Final answer
   x = 1,013,153.64