Finding the Third Proportional to 13,685.63 and 28,090.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,685.63 : 28,090.13 = 28,090.13 : x
2. Step 2: Convert to fraction form
   13,685.63/28,090.13 = 28,090.13/x
3. Step 3: Cross multiply
   13,685.63x = 28,090.13 × 28,090.13
4. Step 4: Simplify right side
   13,685.63x = 789,055,122.52
5. Step 5: Solve for x
   x = 789,055,122.52/13,685.63
6. Step 6: Final answer
   x = 57,655.76