Finding the Third Proportional to 328,725 and 707,384

Step by Step Solution

1. Step 1: Write the proportion equation
   328,725 : 707,384 = 707,384 : x
2. Step 2: Convert to fraction form
   328,725/707,384 = 707,384/x
3. Step 3: Cross multiply
   328,725x = 707,384 × 707,384
4. Step 4: Simplify right side
   328,725x = 500,392,123,456
5. Step 5: Solve for x
   x = 500,392,123,456/328,725
6. Step 6: Final answer
   x = 1,522,221.08