Finding the Third Proportional to 112,372.50 and 242,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,372.50 : 242,740.50 = 242,740.50 : x
2. Step 2: Convert to fraction form
   112,372.50/242,740.50 = 242,740.50/x
3. Step 3: Cross multiply
   112,372.50x = 242,740.50 × 242,740.50
4. Step 4: Simplify right side
   112,372.50x = 58,922,950,340.25
5. Step 5: Solve for x
   x = 58,922,950,340.25/112,372.50
6. Step 6: Final answer
   x = 524,353.83