Finding the Third Proportional to 91,448 and 137,171

Step by Step Solution

1. Step 1: Write the proportion equation
   91,448 : 137,171 = 137,171 : x
2. Step 2: Convert to fraction form
   91,448/137,171 = 137,171/x
3. Step 3: Cross multiply
   91,448x = 137,171 × 137,171
4. Step 4: Simplify right side
   91,448x = 18,815,883,241
5. Step 5: Solve for x
   x = 18,815,883,241/91,448
6. Step 6: Final answer
   x = 205,755.00