Finding the Third Proportional to 185,788.69 and 279,100.69

Step by Step Solution

1. Step 1: Write the proportion equation
   185,788.69 : 279,100.69 = 279,100.69 : x
2. Step 2: Convert to fraction form
   185,788.69/279,100.69 = 279,100.69/x
3. Step 3: Cross multiply
   185,788.69x = 279,100.69 × 279,100.69
4. Step 4: Simplify right side
   185,788.69x = 77,897,193,762.97
5. Step 5: Solve for x
   x = 77,897,193,762.97/185,788.69
6. Step 6: Final answer
   x = 419,278.45