Finding the Third Proportional to 155,144 and 246,060

Step by Step Solution

1. Step 1: Write the proportion equation
   155,144 : 246,060 = 246,060 : x
2. Step 2: Convert to fraction form
   155,144/246,060 = 246,060/x
3. Step 3: Cross multiply
   155,144x = 246,060 × 246,060
4. Step 4: Simplify right side
   155,144x = 60,545,523,600
5. Step 5: Solve for x
   x = 60,545,523,600/155,144
6. Step 6: Final answer
   x = 390,253.72