Finding the Third Proportional to 493,735.50 and 660,636

Step by Step Solution

1. Step 1: Write the proportion equation
   493,735.50 : 660,636 = 660,636 : x
2. Step 2: Convert to fraction form
   493,735.50/660,636 = 660,636/x
3. Step 3: Cross multiply
   493,735.50x = 660,636 × 660,636
4. Step 4: Simplify right side
   493,735.50x = 436,439,924,496
5. Step 5: Solve for x
   x = 436,439,924,496/493,735.50
6. Step 6: Final answer
   x = 883,954.92