Finding the Third Proportional to 72,354 and 113,161

Step by Step Solution

1. Step 1: Write the proportion equation
   72,354 : 113,161 = 113,161 : x
2. Step 2: Convert to fraction form
   72,354/113,161 = 113,161/x
3. Step 3: Cross multiply
   72,354x = 113,161 × 113,161
4. Step 4: Simplify right side
   72,354x = 12,805,411,921
5. Step 5: Solve for x
   x = 12,805,411,921/72,354
6. Step 6: Final answer
   x = 176,982.78