Finding the Third Proportional to 78,995.50 and 175,487

Step by Step Solution

1. Step 1: Write the proportion equation
   78,995.50 : 175,487 = 175,487 : x
2. Step 2: Convert to fraction form
   78,995.50/175,487 = 175,487/x
3. Step 3: Cross multiply
   78,995.50x = 175,487 × 175,487
4. Step 4: Simplify right side
   78,995.50x = 30,795,687,169
5. Step 5: Solve for x
   x = 30,795,687,169/78,995.50
6. Step 6: Final answer
   x = 389,841.03