Finding the Third Proportional to 20,186.50 and 31,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,186.50 : 31,364.50 = 31,364.50 : x
2. Step 2: Convert to fraction form
   20,186.50/31,364.50 = 31,364.50/x
3. Step 3: Cross multiply
   20,186.50x = 31,364.50 × 31,364.50
4. Step 4: Simplify right side
   20,186.50x = 983,731,860.25
5. Step 5: Solve for x
   x = 983,731,860.25/20,186.50
6. Step 6: Final answer
   x = 48,732.17