Finding the Third Proportional to 20,418 and 30,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,418 : 30,746.50 = 30,746.50 : x
2. Step 2: Convert to fraction form
   20,418/30,746.50 = 30,746.50/x
3. Step 3: Cross multiply
   20,418x = 30,746.50 × 30,746.50
4. Step 4: Simplify right side
   20,418x = 945,347,262.25
5. Step 5: Solve for x
   x = 945,347,262.25/20,418
6. Step 6: Final answer
   x = 46,299.70