Finding the Third Proportional to 63,460.50 and 137,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,460.50 : 137,854.50 = 137,854.50 : x
2. Step 2: Convert to fraction form
   63,460.50/137,854.50 = 137,854.50/x
3. Step 3: Cross multiply
   63,460.50x = 137,854.50 × 137,854.50
4. Step 4: Simplify right side
   63,460.50x = 19,003,863,170.25
5. Step 5: Solve for x
   x = 19,003,863,170.25/63,460.50
6. Step 6: Final answer
   x = 299,459.71