Finding the Third Proportional to 178,607 and 242,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,607 : 242,568.50 = 242,568.50 : x
2. Step 2: Convert to fraction form
   178,607/242,568.50 = 242,568.50/x
3. Step 3: Cross multiply
   178,607x = 242,568.50 × 242,568.50
4. Step 4: Simplify right side
   178,607x = 58,839,477,192.25
5. Step 5: Solve for x
   x = 58,839,477,192.25/178,607
6. Step 6: Final answer
   x = 329,435.45