Finding the Third Proportional to 91,167 and 137,967

Step by Step Solution

1. Step 1: Write the proportion equation
   91,167 : 137,967 = 137,967 : x
2. Step 2: Convert to fraction form
   91,167/137,967 = 137,967/x
3. Step 3: Cross multiply
   91,167x = 137,967 × 137,967
4. Step 4: Simplify right side
   91,167x = 19,034,893,089
5. Step 5: Solve for x
   x = 19,034,893,089/91,167
6. Step 6: Final answer
   x = 208,791.48