Finding the Third Proportional to 145,937.25 and 320,607

Step by Step Solution

1. Step 1: Write the proportion equation
   145,937.25 : 320,607 = 320,607 : x
2. Step 2: Convert to fraction form
   145,937.25/320,607 = 320,607/x
3. Step 3: Cross multiply
   145,937.25x = 320,607 × 320,607
4. Step 4: Simplify right side
   145,937.25x = 102,788,848,449
5. Step 5: Solve for x
   x = 102,788,848,449/145,937.25
6. Step 6: Final answer
   x = 704,335.93