Finding the Third Proportional to 7,954 and 12,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,954 : 12,358.50 = 12,358.50 : x
2. Step 2: Convert to fraction form
   7,954/12,358.50 = 12,358.50/x
3. Step 3: Cross multiply
   7,954x = 12,358.50 × 12,358.50
4. Step 4: Simplify right side
   7,954x = 152,732,522.25
5. Step 5: Solve for x
   x = 152,732,522.25/7,954
6. Step 6: Final answer
   x = 19,201.98