Finding the Third Proportional to 60,003.75 and 138,912

Step by Step Solution

1. Step 1: Write the proportion equation
   60,003.75 : 138,912 = 138,912 : x
2. Step 2: Convert to fraction form
   60,003.75/138,912 = 138,912/x
3. Step 3: Cross multiply
   60,003.75x = 138,912 × 138,912
4. Step 4: Simplify right side
   60,003.75x = 19,296,543,744
5. Step 5: Solve for x
   x = 19,296,543,744/60,003.75
6. Step 6: Final answer
   x = 321,588.96