Finding the Third Proportional to 447,507 and 677,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   447,507 : 677,760.50 = 677,760.50 : x
2. Step 2: Convert to fraction form
   447,507/677,760.50 = 677,760.50/x
3. Step 3: Cross multiply
   447,507x = 677,760.50 × 677,760.50
4. Step 4: Simplify right side
   447,507x = 459,359,295,360.25
5. Step 5: Solve for x
   x = 459,359,295,360.25/447,507
6. Step 6: Final answer
   x = 1,026,485.16