Finding the Third Proportional to 79,689 and 187,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,689 : 187,846.50 = 187,846.50 : x
2. Step 2: Convert to fraction form
   79,689/187,846.50 = 187,846.50/x
3. Step 3: Cross multiply
   79,689x = 187,846.50 × 187,846.50
4. Step 4: Simplify right side
   79,689x = 35,286,307,562.25
5. Step 5: Solve for x
   x = 35,286,307,562.25/79,689
6. Step 6: Final answer
   x = 442,800.23