Finding the Third Proportional to 66,504 and 147,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,504 : 147,769.50 = 147,769.50 : x
2. Step 2: Convert to fraction form
   66,504/147,769.50 = 147,769.50/x
3. Step 3: Cross multiply
   66,504x = 147,769.50 × 147,769.50
4. Step 4: Simplify right side
   66,504x = 21,835,825,130.25
5. Step 5: Solve for x
   x = 21,835,825,130.25/66,504
6. Step 6: Final answer
   x = 328,338.52