Finding the Third Proportional to 328,753.69 and 706,669.31

Step by Step Solution

1. Step 1: Write the proportion equation
   328,753.69 : 706,669.31 = 706,669.31 : x
2. Step 2: Convert to fraction form
   328,753.69/706,669.31 = 706,669.31/x
3. Step 3: Cross multiply
   328,753.69x = 706,669.31 × 706,669.31
4. Step 4: Simplify right side
   328,753.69x = 499,381,517,229.22
5. Step 5: Solve for x
   x = 499,381,517,229.22/328,753.69
6. Step 6: Final answer
   x = 1,519,014.19