Finding the Third Proportional to 168,648.75 and 359,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   168,648.75 : 359,145.56 = 359,145.56 : x
2. Step 2: Convert to fraction form
   168,648.75/359,145.56 = 359,145.56/x
3. Step 3: Cross multiply
   168,648.75x = 359,145.56 × 359,145.56
4. Step 4: Simplify right side
   168,648.75x = 128,985,535,063.44
5. Step 5: Solve for x
   x = 128,985,535,063.44/168,648.75
6. Step 6: Final answer
   x = 764,817.62