Finding the Third Proportional to 85,253 and 133,443

Step by Step Solution

1. Step 1: Write the proportion equation
   85,253 : 133,443 = 133,443 : x
2. Step 2: Convert to fraction form
   85,253/133,443 = 133,443/x
3. Step 3: Cross multiply
   85,253x = 133,443 × 133,443
4. Step 4: Simplify right side
   85,253x = 17,807,034,249
5. Step 5: Solve for x
   x = 17,807,034,249/85,253
6. Step 6: Final answer
   x = 208,872.82