Finding the Third Proportional to 69,108 and 103,644

Step by Step Solution

1. Step 1: Write the proportion equation
   69,108 : 103,644 = 103,644 : x
2. Step 2: Convert to fraction form
   69,108/103,644 = 103,644/x
3. Step 3: Cross multiply
   69,108x = 103,644 × 103,644
4. Step 4: Simplify right side
   69,108x = 10,742,078,736
5. Step 5: Solve for x
   x = 10,742,078,736/69,108
6. Step 6: Final answer
   x = 155,439.00