Finding the Third Proportional to 7,765.88 and 12,047.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,765.88 : 12,047.06 = 12,047.06 : x
2. Step 2: Convert to fraction form
   7,765.88/12,047.06 = 12,047.06/x
3. Step 3: Cross multiply
   7,765.88x = 12,047.06 × 12,047.06
4. Step 4: Simplify right side
   7,765.88x = 145,131,714.88
5. Step 5: Solve for x
   x = 145,131,714.88/7,765.88
6. Step 6: Final answer
   x = 18,688.39