Finding the Third Proportional to 328,484.50 and 708,242

Step by Step Solution

1. Step 1: Write the proportion equation
   328,484.50 : 708,242 = 708,242 : x
2. Step 2: Convert to fraction form
   328,484.50/708,242 = 708,242/x
3. Step 3: Cross multiply
   328,484.50x = 708,242 × 708,242
4. Step 4: Simplify right side
   328,484.50x = 501,606,730,564
5. Step 5: Solve for x
   x = 501,606,730,564/328,484.50
6. Step 6: Final answer
   x = 1,527,033.18