Finding the Third Proportional to 147,992.25 and 320,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,992.25 : 320,932.50 = 320,932.50 : x
2. Step 2: Convert to fraction form
   147,992.25/320,932.50 = 320,932.50/x
3. Step 3: Cross multiply
   147,992.25x = 320,932.50 × 320,932.50
4. Step 4: Simplify right side
   147,992.25x = 102,997,669,556.25
5. Step 5: Solve for x
   x = 102,997,669,556.25/147,992.25
6. Step 6: Final answer
   x = 695,966.64