Finding the Third Proportional to 72,821 and 98,386

Step by Step Solution

1. Step 1: Write the proportion equation
   72,821 : 98,386 = 98,386 : x
2. Step 2: Convert to fraction form
   72,821/98,386 = 98,386/x
3. Step 3: Cross multiply
   72,821x = 98,386 × 98,386
4. Step 4: Simplify right side
   72,821x = 9,679,804,996
5. Step 5: Solve for x
   x = 9,679,804,996/72,821
6. Step 6: Final answer
   x = 132,926.01