Finding the Third Proportional to 178,494.50 and 371,785

Step by Step Solution

1. Step 1: Write the proportion equation
   178,494.50 : 371,785 = 371,785 : x
2. Step 2: Convert to fraction form
   178,494.50/371,785 = 371,785/x
3. Step 3: Cross multiply
   178,494.50x = 371,785 × 371,785
4. Step 4: Simplify right side
   178,494.50x = 138,224,086,225
5. Step 5: Solve for x
   x = 138,224,086,225/178,494.50
6. Step 6: Final answer
   x = 774,388.49