Finding the Third Proportional to 5,423.63 and 7,929.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,423.63 : 7,929.56 = 7,929.56 : x
2. Step 2: Convert to fraction form
   5,423.63/7,929.56 = 7,929.56/x
3. Step 3: Cross multiply
   5,423.63x = 7,929.56 × 7,929.56
4. Step 4: Simplify right side
   5,423.63x = 62,877,961.44
5. Step 5: Solve for x
   x = 62,877,961.44/5,423.63
6. Step 6: Final answer
   x = 11,593.35