Finding the Third Proportional to 382,990.50 and 606,168

Step by Step Solution

1. Step 1: Write the proportion equation
   382,990.50 : 606,168 = 606,168 : x
2. Step 2: Convert to fraction form
   382,990.50/606,168 = 606,168/x
3. Step 3: Cross multiply
   382,990.50x = 606,168 × 606,168
4. Step 4: Simplify right side
   382,990.50x = 367,439,644,224
5. Step 5: Solve for x
   x = 367,439,644,224/382,990.50
6. Step 6: Final answer
   x = 959,396.24