Finding the Third Proportional to 157,243.50 and 339,516

Step by Step Solution

1. Step 1: Write the proportion equation
   157,243.50 : 339,516 = 339,516 : x
2. Step 2: Convert to fraction form
   157,243.50/339,516 = 339,516/x
3. Step 3: Cross multiply
   157,243.50x = 339,516 × 339,516
4. Step 4: Simplify right side
   157,243.50x = 115,271,114,256
5. Step 5: Solve for x
   x = 115,271,114,256/157,243.50
6. Step 6: Final answer
   x = 733,073.95