Finding the Third Proportional to 7,892.81 and 12,191.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,892.81 : 12,191.06 = 12,191.06 : x
2. Step 2: Convert to fraction form
   7,892.81/12,191.06 = 12,191.06/x
3. Step 3: Cross multiply
   7,892.81x = 12,191.06 × 12,191.06
4. Step 4: Simplify right side
   7,892.81x = 148,622,004.88
5. Step 5: Solve for x
   x = 148,622,004.88/7,892.81
6. Step 6: Final answer
   x = 18,830.04