Finding the Third Proportional to 162,256.50 and 355,052

Step by Step Solution

1. Step 1: Write the proportion equation
   162,256.50 : 355,052 = 355,052 : x
2. Step 2: Convert to fraction form
   162,256.50/355,052 = 355,052/x
3. Step 3: Cross multiply
   162,256.50x = 355,052 × 355,052
4. Step 4: Simplify right side
   162,256.50x = 126,061,922,704
5. Step 5: Solve for x
   x = 126,061,922,704/162,256.50
6. Step 6: Final answer
   x = 776,929.88