Finding the Third Proportional to 178,983 and 242,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,983 : 242,212.50 = 242,212.50 : x
2. Step 2: Convert to fraction form
   178,983/242,212.50 = 242,212.50/x
3. Step 3: Cross multiply
   178,983x = 242,212.50 × 242,212.50
4. Step 4: Simplify right side
   178,983x = 58,666,895,156.25
5. Step 5: Solve for x
   x = 58,666,895,156.25/178,983
6. Step 6: Final answer
   x = 327,779.15