Finding the Third Proportional to 156,905 and 339,082

Step by Step Solution

1. Step 1: Write the proportion equation
   156,905 : 339,082 = 339,082 : x
2. Step 2: Convert to fraction form
   156,905/339,082 = 339,082/x
3. Step 3: Cross multiply
   156,905x = 339,082 × 339,082
4. Step 4: Simplify right side
   156,905x = 114,976,602,724
5. Step 5: Solve for x
   x = 114,976,602,724/156,905
6. Step 6: Final answer
   x = 732,778.45