Finding the Third Proportional to 62,984.50 and 138,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,984.50 : 138,255.50 = 138,255.50 : x
2. Step 2: Convert to fraction form
   62,984.50/138,255.50 = 138,255.50/x
3. Step 3: Cross multiply
   62,984.50x = 138,255.50 × 138,255.50
4. Step 4: Simplify right side
   62,984.50x = 19,114,583,280.25
5. Step 5: Solve for x
   x = 19,114,583,280.25/62,984.50
6. Step 6: Final answer
   x = 303,480.75