Finding the Third Proportional to 152,943 and 359,839

Step by Step Solution

1. Step 1: Write the proportion equation
   152,943 : 359,839 = 359,839 : x
2. Step 2: Convert to fraction form
   152,943/359,839 = 359,839/x
3. Step 3: Cross multiply
   152,943x = 359,839 × 359,839
4. Step 4: Simplify right side
   152,943x = 129,484,105,921
5. Step 5: Solve for x
   x = 129,484,105,921/152,943
6. Step 6: Final answer
   x = 846,616.75