Finding the Third Proportional to 12,973.50 and 20,810.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.50 : 20,810.25 = 20,810.25 : x
2. Step 2: Convert to fraction form
   12,973.50/20,810.25 = 20,810.25/x
3. Step 3: Cross multiply
   12,973.50x = 20,810.25 × 20,810.25
4. Step 4: Simplify right side
   12,973.50x = 433,066,505.06
5. Step 5: Solve for x
   x = 433,066,505.06/12,973.50
6. Step 6: Final answer
   x = 33,380.85