Finding the Third Proportional to 53,049.75 and 72,090.38

Step by Step Solution

1. Step 1: Write the proportion equation
   53,049.75 : 72,090.38 = 72,090.38 : x
2. Step 2: Convert to fraction form
   53,049.75/72,090.38 = 72,090.38/x
3. Step 3: Cross multiply
   53,049.75x = 72,090.38 × 72,090.38
4. Step 4: Simplify right side
   53,049.75x = 5,197,022,167.64
5. Step 5: Solve for x
   x = 5,197,022,167.64/53,049.75
6. Step 6: Final answer
   x = 97,965.06