Finding the Third Proportional to 152,881 and 359,721

Step by Step Solution

1. Step 1: Write the proportion equation
   152,881 : 359,721 = 359,721 : x
2. Step 2: Convert to fraction form
   152,881/359,721 = 359,721/x
3. Step 3: Cross multiply
   152,881x = 359,721 × 359,721
4. Step 4: Simplify right side
   152,881x = 129,399,197,841
5. Step 5: Solve for x
   x = 129,399,197,841/152,881
6. Step 6: Final answer
   x = 846,404.71