Finding the Third Proportional to 137,799 and 195,039.75

Step by Step Solution

1. Step 1: Write the proportion equation
   137,799 : 195,039.75 = 195,039.75 : x
2. Step 2: Convert to fraction form
   137,799/195,039.75 = 195,039.75/x
3. Step 3: Cross multiply
   137,799x = 195,039.75 × 195,039.75
4. Step 4: Simplify right side
   137,799x = 38,040,504,080.06
5. Step 5: Solve for x
   x = 38,040,504,080.06/137,799
6. Step 6: Final answer
   x = 276,057.91