Finding the Third Proportional to 69,078 and 103,191

Step by Step Solution

1. Step 1: Write the proportion equation
   69,078 : 103,191 = 103,191 : x
2. Step 2: Convert to fraction form
   69,078/103,191 = 103,191/x
3. Step 3: Cross multiply
   69,078x = 103,191 × 103,191
4. Step 4: Simplify right side
   69,078x = 10,648,382,481
5. Step 5: Solve for x
   x = 10,648,382,481/69,078
6. Step 6: Final answer
   x = 154,150.13