Finding the Third Proportional to 72,460 and 154,550

Step by Step Solution

1. Step 1: Write the proportion equation
   72,460 : 154,550 = 154,550 : x
2. Step 2: Convert to fraction form
   72,460/154,550 = 154,550/x
3. Step 3: Cross multiply
   72,460x = 154,550 × 154,550
4. Step 4: Simplify right side
   72,460x = 23,885,702,500
5. Step 5: Solve for x
   x = 23,885,702,500/72,460
6. Step 6: Final answer
   x = 329,639.84