Finding the Third Proportional to 178,610 and 242,569.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,610 : 242,569.50 = 242,569.50 : x
2. Step 2: Convert to fraction form
   178,610/242,569.50 = 242,569.50/x
3. Step 3: Cross multiply
   178,610x = 242,569.50 × 242,569.50
4. Step 4: Simplify right side
   178,610x = 58,839,962,330.25
5. Step 5: Solve for x
   x = 58,839,962,330.25/178,610
6. Step 6: Final answer
   x = 329,432.63