Finding the Third Proportional to 152,919.75 and 359,790

Step by Step Solution

1. Step 1: Write the proportion equation
   152,919.75 : 359,790 = 359,790 : x
2. Step 2: Convert to fraction form
   152,919.75/359,790 = 359,790/x
3. Step 3: Cross multiply
   152,919.75x = 359,790 × 359,790
4. Step 4: Simplify right side
   152,919.75x = 129,448,844,100
5. Step 5: Solve for x
   x = 129,448,844,100/152,919.75
6. Step 6: Final answer
   x = 846,514.88