Finding the Third Proportional to 63,798.50 and 137,346.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,798.50 : 137,346.50 = 137,346.50 : x
2. Step 2: Convert to fraction form
   63,798.50/137,346.50 = 137,346.50/x
3. Step 3: Cross multiply
   63,798.50x = 137,346.50 × 137,346.50
4. Step 4: Simplify right side
   63,798.50x = 18,864,061,062.25
5. Step 5: Solve for x
   x = 18,864,061,062.25/63,798.50
6. Step 6: Final answer
   x = 295,681.89