Finding the Third Proportional to 72,260 and 154,536

Step by Step Solution

1. Step 1: Write the proportion equation
   72,260 : 154,536 = 154,536 : x
2. Step 2: Convert to fraction form
   72,260/154,536 = 154,536/x
3. Step 3: Cross multiply
   72,260x = 154,536 × 154,536
4. Step 4: Simplify right side
   72,260x = 23,881,375,296
5. Step 5: Solve for x
   x = 23,881,375,296/72,260
6. Step 6: Final answer
   x = 330,492.32