Finding the Third Proportional to 6,384.56 and 8,938.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,384.56 : 8,938.78 = 8,938.78 : x
2. Step 2: Convert to fraction form
   6,384.56/8,938.78 = 8,938.78/x
3. Step 3: Cross multiply
   6,384.56x = 8,938.78 × 8,938.78
4. Step 4: Simplify right side
   6,384.56x = 79,901,810.24
5. Step 5: Solve for x
   x = 79,901,810.24/6,384.56
6. Step 6: Final answer
   x = 12,514.85