Finding the Third Proportional to 28,514.81 and 42,538.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,514.81 : 42,538.69 = 42,538.69 : x
2. Step 2: Convert to fraction form
   28,514.81/42,538.69 = 42,538.69/x
3. Step 3: Cross multiply
   28,514.81x = 42,538.69 × 42,538.69
4. Step 4: Simplify right side
   28,514.81x = 1,809,539,934.22
5. Step 5: Solve for x
   x = 1,809,539,934.22/28,514.81
6. Step 6: Final answer
   x = 63,459.65