Finding the Third Proportional to 413,935.50 and 905,361

Step by Step Solution

1. Step 1: Write the proportion equation
   413,935.50 : 905,361 = 905,361 : x
2. Step 2: Convert to fraction form
   413,935.50/905,361 = 905,361/x
3. Step 3: Cross multiply
   413,935.50x = 905,361 × 905,361
4. Step 4: Simplify right side
   413,935.50x = 819,678,540,321
5. Step 5: Solve for x
   x = 819,678,540,321/413,935.50
6. Step 6: Final answer
   x = 1,980,208.37