Finding the Third Proportional to 91,164.38 and 138,006

Step by Step Solution

1. Step 1: Write the proportion equation
   91,164.38 : 138,006 = 138,006 : x
2. Step 2: Convert to fraction form
   91,164.38/138,006 = 138,006/x
3. Step 3: Cross multiply
   91,164.38x = 138,006 × 138,006
4. Step 4: Simplify right side
   91,164.38x = 19,045,656,036
5. Step 5: Solve for x
   x = 19,045,656,036/91,164.38
6. Step 6: Final answer
   x = 208,915.56