Finding the Third Proportional to 148,384 and 328,788

Step by Step Solution

1. Step 1: Write the proportion equation
   148,384 : 328,788 = 328,788 : x
2. Step 2: Convert to fraction form
   148,384/328,788 = 328,788/x
3. Step 3: Cross multiply
   148,384x = 328,788 × 328,788
4. Step 4: Simplify right side
   148,384x = 108,101,548,944
5. Step 5: Solve for x
   x = 108,101,548,944/148,384
6. Step 6: Final answer
   x = 728,525.64