Finding the Third Proportional to 69,928 and 109,080

Step by Step Solution

1. Step 1: Write the proportion equation
   69,928 : 109,080 = 109,080 : x
2. Step 2: Convert to fraction form
   69,928/109,080 = 109,080/x
3. Step 3: Cross multiply
   69,928x = 109,080 × 109,080
4. Step 4: Simplify right side
   69,928x = 11,898,446,400
5. Step 5: Solve for x
   x = 11,898,446,400/69,928
6. Step 6: Final answer
   x = 170,152.82