Finding the Third Proportional to 77,323.50 and 162,945

Step by Step Solution

1. Step 1: Write the proportion equation
   77,323.50 : 162,945 = 162,945 : x
2. Step 2: Convert to fraction form
   77,323.50/162,945 = 162,945/x
3. Step 3: Cross multiply
   77,323.50x = 162,945 × 162,945
4. Step 4: Simplify right side
   77,323.50x = 26,551,073,025
5. Step 5: Solve for x
   x = 26,551,073,025/77,323.50
6. Step 6: Final answer
   x = 343,376.50