Finding the Third Proportional to 69,888 and 103,860

Step by Step Solution

1. Step 1: Write the proportion equation
   69,888 : 103,860 = 103,860 : x
2. Step 2: Convert to fraction form
   69,888/103,860 = 103,860/x
3. Step 3: Cross multiply
   69,888x = 103,860 × 103,860
4. Step 4: Simplify right side
   69,888x = 10,786,899,600
5. Step 5: Solve for x
   x = 10,786,899,600/69,888
6. Step 6: Final answer
   x = 154,345.52