Finding the Third Proportional to 20,465 and 31,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,465 : 31,601.50 = 31,601.50 : x
2. Step 2: Convert to fraction form
   20,465/31,601.50 = 31,601.50/x
3. Step 3: Cross multiply
   20,465x = 31,601.50 × 31,601.50
4. Step 4: Simplify right side
   20,465x = 998,654,802.25
5. Step 5: Solve for x
   x = 998,654,802.25/20,465
6. Step 6: Final answer
   x = 48,798.18