Finding the Third Proportional to 72,000.75 and 98,877.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,000.75 : 98,877.38 = 98,877.38 : x
2. Step 2: Convert to fraction form
   72,000.75/98,877.38 = 98,877.38/x
3. Step 3: Cross multiply
   72,000.75x = 98,877.38 × 98,877.38
4. Step 4: Simplify right side
   72,000.75x = 9,776,735,286.89
5. Step 5: Solve for x
   x = 9,776,735,286.89/72,000.75
6. Step 6: Final answer
   x = 135,786.58