Finding the Third Proportional to 178,785 and 372,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,785 : 372,271.50 = 372,271.50 : x
2. Step 2: Convert to fraction form
   178,785/372,271.50 = 372,271.50/x
3. Step 3: Cross multiply
   178,785x = 372,271.50 × 372,271.50
4. Step 4: Simplify right side
   178,785x = 138,586,069,712.25
5. Step 5: Solve for x
   x = 138,586,069,712.25/178,785
6. Step 6: Final answer
   x = 775,154.91