Finding the Third Proportional to 88,139 and 186,325

Step by Step Solution

1. Step 1: Write the proportion equation
   88,139 : 186,325 = 186,325 : x
2. Step 2: Convert to fraction form
   88,139/186,325 = 186,325/x
3. Step 3: Cross multiply
   88,139x = 186,325 × 186,325
4. Step 4: Simplify right side
   88,139x = 34,717,005,625
5. Step 5: Solve for x
   x = 34,717,005,625/88,139
6. Step 6: Final answer
   x = 393,889.26