Finding the Third Proportional to 72,173 and 113,376

Step by Step Solution

1. Step 1: Write the proportion equation
   72,173 : 113,376 = 113,376 : x
2. Step 2: Convert to fraction form
   72,173/113,376 = 113,376/x
3. Step 3: Cross multiply
   72,173x = 113,376 × 113,376
4. Step 4: Simplify right side
   72,173x = 12,854,117,376
5. Step 5: Solve for x
   x = 12,854,117,376/72,173
6. Step 6: Final answer
   x = 178,101.47