Finding the Third Proportional to 8,979 and 12,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,979 : 12,925.50 = 12,925.50 : x
2. Step 2: Convert to fraction form
   8,979/12,925.50 = 12,925.50/x
3. Step 3: Cross multiply
   8,979x = 12,925.50 × 12,925.50
4. Step 4: Simplify right side
   8,979x = 167,068,550.25
5. Step 5: Solve for x
   x = 167,068,550.25/8,979
6. Step 6: Final answer
   x = 18,606.59