Finding the Third Proportional to 90,324 and 166,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,324 : 166,495.50 = 166,495.50 : x
2. Step 2: Convert to fraction form
   90,324/166,495.50 = 166,495.50/x
3. Step 3: Cross multiply
   90,324x = 166,495.50 × 166,495.50
4. Step 4: Simplify right side
   90,324x = 27,720,751,520.25
5. Step 5: Solve for x
   x = 27,720,751,520.25/90,324
6. Step 6: Final answer
   x = 306,903.50