Finding the Third Proportional to 113,200.31 and 235,701.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,200.31 : 235,701.56 = 235,701.56 : x
2. Step 2: Convert to fraction form
   113,200.31/235,701.56 = 235,701.56/x
3. Step 3: Cross multiply
   113,200.31x = 235,701.56 × 235,701.56
4. Step 4: Simplify right side
   113,200.31x = 55,555,226,564.94
5. Step 5: Solve for x
   x = 55,555,226,564.94/113,200.31
6. Step 6: Final answer
   x = 490,769.20