Finding the Third Proportional to 178,884 and 242,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,884 : 242,911.50 = 242,911.50 : x
2. Step 2: Convert to fraction form
   178,884/242,911.50 = 242,911.50/x
3. Step 3: Cross multiply
   178,884x = 242,911.50 × 242,911.50
4. Step 4: Simplify right side
   178,884x = 59,005,996,832.25
5. Step 5: Solve for x
   x = 59,005,996,832.25/178,884
6. Step 6: Final answer
   x = 329,856.20