Finding the Third Proportional to 175,621.50 and 379,323

Step by Step Solution

1. Step 1: Write the proportion equation
   175,621.50 : 379,323 = 379,323 : x
2. Step 2: Convert to fraction form
   175,621.50/379,323 = 379,323/x
3. Step 3: Cross multiply
   175,621.50x = 379,323 × 379,323
4. Step 4: Simplify right side
   175,621.50x = 143,885,938,329
5. Step 5: Solve for x
   x = 143,885,938,329/175,621.50
6. Step 6: Final answer
   x = 819,295.69