Finding the Third Proportional to 86,049 and 188,719.88

Step by Step Solution

1. Step 1: Write the proportion equation
   86,049 : 188,719.88 = 188,719.88 : x
2. Step 2: Convert to fraction form
   86,049/188,719.88 = 188,719.88/x
3. Step 3: Cross multiply
   86,049x = 188,719.88 × 188,719.88
4. Step 4: Simplify right side
   86,049x = 35,615,191,220.02
5. Step 5: Solve for x
   x = 35,615,191,220.02/86,049
6. Step 6: Final answer
   x = 413,894.31