Finding the Third Proportional to 81,288 and 173,848

Step by Step Solution

1. Step 1: Write the proportion equation
   81,288 : 173,848 = 173,848 : x
2. Step 2: Convert to fraction form
   81,288/173,848 = 173,848/x
3. Step 3: Cross multiply
   81,288x = 173,848 × 173,848
4. Step 4: Simplify right side
   81,288x = 30,223,127,104
5. Step 5: Solve for x
   x = 30,223,127,104/81,288
6. Step 6: Final answer
   x = 371,803.06