Finding the Third Proportional to 60,678.50 and 133,020.88

Step by Step Solution

1. Step 1: Write the proportion equation
   60,678.50 : 133,020.88 = 133,020.88 : x
2. Step 2: Convert to fraction form
   60,678.50/133,020.88 = 133,020.88/x
3. Step 3: Cross multiply
   60,678.50x = 133,020.88 × 133,020.88
4. Step 4: Simplify right side
   60,678.50x = 17,694,553,185.77
5. Step 5: Solve for x
   x = 17,694,553,185.77/60,678.50
6. Step 6: Final answer
   x = 291,611.58