Finding the Third Proportional to 63,553.50 and 136,890

Step by Step Solution

1. Step 1: Write the proportion equation
   63,553.50 : 136,890 = 136,890 : x
2. Step 2: Convert to fraction form
   63,553.50/136,890 = 136,890/x
3. Step 3: Cross multiply
   63,553.50x = 136,890 × 136,890
4. Step 4: Simplify right side
   63,553.50x = 18,738,872,100
5. Step 5: Solve for x
   x = 18,738,872,100/63,553.50
6. Step 6: Final answer
   x = 294,851.93