Finding the Third Proportional to 79,761.50 and 174,011.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,761.50 : 174,011.50 = 174,011.50 : x
2. Step 2: Convert to fraction form
   79,761.50/174,011.50 = 174,011.50/x
3. Step 3: Cross multiply
   79,761.50x = 174,011.50 × 174,011.50
4. Step 4: Simplify right side
   79,761.50x = 30,280,002,132.25
5. Step 5: Solve for x
   x = 30,280,002,132.25/79,761.50
6. Step 6: Final answer
   x = 379,631.80