Finding the Third Proportional to 63,500.50 and 135,749

Step by Step Solution

1. Step 1: Write the proportion equation
   63,500.50 : 135,749 = 135,749 : x
2. Step 2: Convert to fraction form
   63,500.50/135,749 = 135,749/x
3. Step 3: Cross multiply
   63,500.50x = 135,749 × 135,749
4. Step 4: Simplify right side
   63,500.50x = 18,427,791,001
5. Step 5: Solve for x
   x = 18,427,791,001/63,500.50
6. Step 6: Final answer
   x = 290,199.15