Finding the Third Proportional to 250,330.50 and 521,370

Step by Step Solution

1. Step 1: Write the proportion equation
   250,330.50 : 521,370 = 521,370 : x
2. Step 2: Convert to fraction form
   250,330.50/521,370 = 521,370/x
3. Step 3: Cross multiply
   250,330.50x = 521,370 × 521,370
4. Step 4: Simplify right side
   250,330.50x = 271,826,676,900
5. Step 5: Solve for x
   x = 271,826,676,900/250,330.50
6. Step 6: Final answer
   x = 1,085,871.19