Finding the Third Proportional to 7,810.17 and 20,548.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,810.17 : 20,548.69 = 20,548.69 : x
2. Step 2: Convert to fraction form
   7,810.17/20,548.69 = 20,548.69/x
3. Step 3: Cross multiply
   7,810.17x = 20,548.69 × 20,548.69
4. Step 4: Simplify right side
   7,810.17x = 422,248,557.97
5. Step 5: Solve for x
   x = 422,248,557.97/7,810.17
6. Step 6: Final answer
   x = 54,063.93