Finding the Third Proportional to 3,124.50 and 4,705.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,124.50 : 4,705.50 = 4,705.50 : x
2. Step 2: Convert to fraction form
   3,124.50/4,705.50 = 4,705.50/x
3. Step 3: Cross multiply
   3,124.50x = 4,705.50 × 4,705.50
4. Step 4: Simplify right side
   3,124.50x = 22,141,730.25
5. Step 5: Solve for x
   x = 22,141,730.25/3,124.50
6. Step 6: Final answer
   x = 7,086.49