Finding the Third Proportional to 88,672 and 133,099

Step by Step Solution

1. Step 1: Write the proportion equation
   88,672 : 133,099 = 133,099 : x
2. Step 2: Convert to fraction form
   88,672/133,099 = 133,099/x
3. Step 3: Cross multiply
   88,672x = 133,099 × 133,099
4. Step 4: Simplify right side
   88,672x = 17,715,343,801
5. Step 5: Solve for x
   x = 17,715,343,801/88,672
6. Step 6: Final answer
   x = 199,785.09