Finding the Third Proportional to 113,120 and 243,724

Step by Step Solution

1. Step 1: Write the proportion equation
   113,120 : 243,724 = 243,724 : x
2. Step 2: Convert to fraction form
   113,120/243,724 = 243,724/x
3. Step 3: Cross multiply
   113,120x = 243,724 × 243,724
4. Step 4: Simplify right side
   113,120x = 59,401,388,176
5. Step 5: Solve for x
   x = 59,401,388,176/113,120
6. Step 6: Final answer
   x = 525,118.35