Finding the Third Proportional to 328,293 and 705,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,293 : 705,628.50 = 705,628.50 : x
2. Step 2: Convert to fraction form
   328,293/705,628.50 = 705,628.50/x
3. Step 3: Cross multiply
   328,293x = 705,628.50 × 705,628.50
4. Step 4: Simplify right side
   328,293x = 497,911,580,012.25
5. Step 5: Solve for x
   x = 497,911,580,012.25/328,293
6. Step 6: Final answer
   x = 1,516,668.28