Finding the Third Proportional to 195,328.50 and 414,638

Step by Step Solution

1. Step 1: Write the proportion equation
   195,328.50 : 414,638 = 414,638 : x
2. Step 2: Convert to fraction form
   195,328.50/414,638 = 414,638/x
3. Step 3: Cross multiply
   195,328.50x = 414,638 × 414,638
4. Step 4: Simplify right side
   195,328.50x = 171,924,671,044
5. Step 5: Solve for x
   x = 171,924,671,044/195,328.50
6. Step 6: Final answer
   x = 880,182.21