Finding the Third Proportional to 444,205 and 687,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   444,205 : 687,070.50 = 687,070.50 : x
2. Step 2: Convert to fraction form
   444,205/687,070.50 = 687,070.50/x
3. Step 3: Cross multiply
   444,205x = 687,070.50 × 687,070.50
4. Step 4: Simplify right side
   444,205x = 472,065,871,970.25
5. Step 5: Solve for x
   x = 472,065,871,970.25/444,205
6. Step 6: Final answer
   x = 1,062,720.75