Finding the Third Proportional to 63,480.50 and 136,648

Step by Step Solution

1. Step 1: Write the proportion equation
   63,480.50 : 136,648 = 136,648 : x
2. Step 2: Convert to fraction form
   63,480.50/136,648 = 136,648/x
3. Step 3: Cross multiply
   63,480.50x = 136,648 × 136,648
4. Step 4: Simplify right side
   63,480.50x = 18,672,675,904
5. Step 5: Solve for x
   x = 18,672,675,904/63,480.50
6. Step 6: Final answer
   x = 294,148.22