Finding the Third Proportional to 195,736.50 and 423,549

Step by Step Solution

1. Step 1: Write the proportion equation
   195,736.50 : 423,549 = 423,549 : x
2. Step 2: Convert to fraction form
   195,736.50/423,549 = 423,549/x
3. Step 3: Cross multiply
   195,736.50x = 423,549 × 423,549
4. Step 4: Simplify right side
   195,736.50x = 179,393,755,401
5. Step 5: Solve for x
   x = 179,393,755,401/195,736.50
6. Step 6: Final answer
   x = 916,506.40