Finding the Third Proportional to 328,104 and 707,420.25

Step by Step Solution

1. Step 1: Write the proportion equation
   328,104 : 707,420.25 = 707,420.25 : x
2. Step 2: Convert to fraction form
   328,104/707,420.25 = 707,420.25/x
3. Step 3: Cross multiply
   328,104x = 707,420.25 × 707,420.25
4. Step 4: Simplify right side
   328,104x = 500,443,410,110.06
5. Step 5: Solve for x
   x = 500,443,410,110.06/328,104
6. Step 6: Final answer
   x = 1,525,258.49