Finding the Third Proportional to 19,725 and 30,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,725 : 30,601.50 = 30,601.50 : x
2. Step 2: Convert to fraction form
   19,725/30,601.50 = 30,601.50/x
3. Step 3: Cross multiply
   19,725x = 30,601.50 × 30,601.50
4. Step 4: Simplify right side
   19,725x = 936,451,802.25
5. Step 5: Solve for x
   x = 936,451,802.25/19,725
6. Step 6: Final answer
   x = 47,475.38