Finding the Third Proportional to 231,951 and 359,151

Step by Step Solution

1. Step 1: Write the proportion equation
   231,951 : 359,151 = 359,151 : x
2. Step 2: Convert to fraction form
   231,951/359,151 = 359,151/x
3. Step 3: Cross multiply
   231,951x = 359,151 × 359,151
4. Step 4: Simplify right side
   231,951x = 128,989,440,801
5. Step 5: Solve for x
   x = 128,989,440,801/231,951
6. Step 6: Final answer
   x = 556,106.42