Finding the Third Proportional to 60,678.28 and 133,020.56

Step by Step Solution

1. Step 1: Write the proportion equation
   60,678.28 : 133,020.56 = 133,020.56 : x
2. Step 2: Convert to fraction form
   60,678.28/133,020.56 = 133,020.56/x
3. Step 3: Cross multiply
   60,678.28x = 133,020.56 × 133,020.56
4. Step 4: Simplify right side
   60,678.28x = 17,694,470,047.82
5. Step 5: Solve for x
   x = 17,694,470,047.82/60,678.28
6. Step 6: Final answer
   x = 291,611.26