Finding the Third Proportional to 82,019.25 and 133,929.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,019.25 : 133,929.56 = 133,929.56 : x
2. Step 2: Convert to fraction form
   82,019.25/133,929.56 = 133,929.56/x
3. Step 3: Cross multiply
   82,019.25x = 133,929.56 × 133,929.56
4. Step 4: Simplify right side
   82,019.25x = 17,937,127,711.44
5. Step 5: Solve for x
   x = 17,937,127,711.44/82,019.25
6. Step 6: Final answer
   x = 218,694.12