Finding the Third Proportional to 113,258.81 and 243,874.69

Step by Step Solution

1. Step 1: Write the proportion equation
   113,258.81 : 243,874.69 = 243,874.69 : x
2. Step 2: Convert to fraction form
   113,258.81/243,874.69 = 243,874.69/x
3. Step 3: Cross multiply
   113,258.81x = 243,874.69 × 243,874.69
4. Step 4: Simplify right side
   113,258.81x = 59,474,863,203.22
5. Step 5: Solve for x
   x = 59,474,863,203.22/113,258.81
6. Step 6: Final answer
   x = 525,123.49