Finding the Third Proportional to 7,994.81 and 12,513.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,994.81 : 12,513.94 = 12,513.94 : x
2. Step 2: Convert to fraction form
   7,994.81/12,513.94 = 12,513.94/x
3. Step 3: Cross multiply
   7,994.81x = 12,513.94 × 12,513.94
4. Step 4: Simplify right side
   7,994.81x = 156,598,631.75
5. Step 5: Solve for x
   x = 156,598,631.75/7,994.81
6. Step 6: Final answer
   x = 19,587.53