Finding the Third Proportional to 72,504 and 148,912

Step by Step Solution

1. Step 1: Write the proportion equation
   72,504 : 148,912 = 148,912 : x
2. Step 2: Convert to fraction form
   72,504/148,912 = 148,912/x
3. Step 3: Cross multiply
   72,504x = 148,912 × 148,912
4. Step 4: Simplify right side
   72,504x = 22,174,783,744
5. Step 5: Solve for x
   x = 22,174,783,744/72,504
6. Step 6: Final answer
   x = 305,842.21