Finding the Third Proportional to 178,887 and 242,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,887 : 242,086.50 = 242,086.50 : x
2. Step 2: Convert to fraction form
   178,887/242,086.50 = 242,086.50/x
3. Step 3: Cross multiply
   178,887x = 242,086.50 × 242,086.50
4. Step 4: Simplify right side
   178,887x = 58,605,873,482.25
5. Step 5: Solve for x
   x = 58,605,873,482.25/178,887
6. Step 6: Final answer
   x = 327,613.93