Finding the Third Proportional to 72,830.50 and 98,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,830.50 : 98,399.50 = 98,399.50 : x
2. Step 2: Convert to fraction form
   72,830.50/98,399.50 = 98,399.50/x
3. Step 3: Cross multiply
   72,830.50x = 98,399.50 × 98,399.50
4. Step 4: Simplify right side
   72,830.50x = 9,682,461,600.25
5. Step 5: Solve for x
   x = 9,682,461,600.25/72,830.50
6. Step 6: Final answer
   x = 132,945.15