Finding the Third Proportional to 157,279.50 and 339,588

Step by Step Solution

1. Step 1: Write the proportion equation
   157,279.50 : 339,588 = 339,588 : x
2. Step 2: Convert to fraction form
   157,279.50/339,588 = 339,588/x
3. Step 3: Cross multiply
   157,279.50x = 339,588 × 339,588
4. Step 4: Simplify right side
   157,279.50x = 115,320,009,744
5. Step 5: Solve for x
   x = 115,320,009,744/157,279.50
6. Step 6: Final answer
   x = 733,217.04