Finding the Third Proportional to 241,521 and 354,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   241,521 : 354,892.50 = 354,892.50 : x
2. Step 2: Convert to fraction form
   241,521/354,892.50 = 354,892.50/x
3. Step 3: Cross multiply
   241,521x = 354,892.50 × 354,892.50
4. Step 4: Simplify right side
   241,521x = 125,948,686,556.25
5. Step 5: Solve for x
   x = 125,948,686,556.25/241,521
6. Step 6: Final answer
   x = 521,481.31