Finding the Third Proportional to 2,126.72 and 4,622.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.72 : 4,622.70 = 4,622.70 : x
2. Step 2: Convert to fraction form
   2,126.72/4,622.70 = 4,622.70/x
3. Step 3: Cross multiply
   2,126.72x = 4,622.70 × 4,622.70
4. Step 4: Simplify right side
   2,126.72x = 21,369,311.95
5. Step 5: Solve for x
   x = 21,369,311.95/2,126.72
6. Step 6: Final answer
   x = 10,047.99