Finding the Third Proportional to 38,805.75 and 53,431.88

Step by Step Solution

1. Step 1: Write the proportion equation
   38,805.75 : 53,431.88 = 53,431.88 : x
2. Step 2: Convert to fraction form
   38,805.75/53,431.88 = 53,431.88/x
3. Step 3: Cross multiply
   38,805.75x = 53,431.88 × 53,431.88
4. Step 4: Simplify right side
   38,805.75x = 2,854,965,266.02
5. Step 5: Solve for x
   x = 2,854,965,266.02/38,805.75
6. Step 6: Final answer
   x = 73,570.68