Finding the Third Proportional to 72,080 and 115,148

Step by Step Solution

1. Step 1: Write the proportion equation
   72,080 : 115,148 = 115,148 : x
2. Step 2: Convert to fraction form
   72,080/115,148 = 115,148/x
3. Step 3: Cross multiply
   72,080x = 115,148 × 115,148
4. Step 4: Simplify right side
   72,080x = 13,259,061,904
5. Step 5: Solve for x
   x = 13,259,061,904/72,080
6. Step 6: Final answer
   x = 183,949.25