Finding the Third Proportional to 79,617 and 120,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,617 : 120,321.50 = 120,321.50 : x
2. Step 2: Convert to fraction form
   79,617/120,321.50 = 120,321.50/x
3. Step 3: Cross multiply
   79,617x = 120,321.50 × 120,321.50
4. Step 4: Simplify right side
   79,617x = 14,477,263,362.25
5. Step 5: Solve for x
   x = 14,477,263,362.25/79,617
6. Step 6: Final answer
   x = 181,836.33