Finding the Third Proportional to 89,809 and 146,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,809 : 146,007.50 = 146,007.50 : x
2. Step 2: Convert to fraction form
   89,809/146,007.50 = 146,007.50/x
3. Step 3: Cross multiply
   89,809x = 146,007.50 × 146,007.50
4. Step 4: Simplify right side
   89,809x = 21,318,190,056.25
5. Step 5: Solve for x
   x = 21,318,190,056.25/89,809
6. Step 6: Final answer
   x = 237,372.54