Finding the Third Proportional to 152,993.25 and 331,407

Step by Step Solution

1. Step 1: Write the proportion equation
   152,993.25 : 331,407 = 331,407 : x
2. Step 2: Convert to fraction form
   152,993.25/331,407 = 331,407/x
3. Step 3: Cross multiply
   152,993.25x = 331,407 × 331,407
4. Step 4: Simplify right side
   152,993.25x = 109,830,599,649
5. Step 5: Solve for x
   x = 109,830,599,649/152,993.25
6. Step 6: Final answer
   x = 717,878.73