Finding the Third Proportional to 156,943 and 339,036

Step by Step Solution

1. Step 1: Write the proportion equation
   156,943 : 339,036 = 339,036 : x
2. Step 2: Convert to fraction form
   156,943/339,036 = 339,036/x
3. Step 3: Cross multiply
   156,943x = 339,036 × 339,036
4. Step 4: Simplify right side
   156,943x = 114,945,409,296
5. Step 5: Solve for x
   x = 114,945,409,296/156,943
6. Step 6: Final answer
   x = 732,402.27