Finding the Third Proportional to 113,856.50 and 243,477.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,856.50 : 243,477.25 = 243,477.25 : x
2. Step 2: Convert to fraction form
   113,856.50/243,477.25 = 243,477.25/x
3. Step 3: Cross multiply
   113,856.50x = 243,477.25 × 243,477.25
4. Step 4: Simplify right side
   113,856.50x = 59,281,171,267.56
5. Step 5: Solve for x
   x = 59,281,171,267.56/113,856.50
6. Step 6: Final answer
   x = 520,665.67