Finding the Third Proportional to 3,470.34 and 7,630.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,470.34 : 7,630.45 = 7,630.45 : x
2. Step 2: Convert to fraction form
   3,470.34/7,630.45 = 7,630.45/x
3. Step 3: Cross multiply
   3,470.34x = 7,630.45 × 7,630.45
4. Step 4: Simplify right side
   3,470.34x = 58,223,814.89
5. Step 5: Solve for x
   x = 58,223,814.89/3,470.34
6. Step 6: Final answer
   x = 16,777.54