Finding the Third Proportional to 28,030.25 and 42,163.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,030.25 : 42,163.50 = 42,163.50 : x
2. Step 2: Convert to fraction form
   28,030.25/42,163.50 = 42,163.50/x
3. Step 3: Cross multiply
   28,030.25x = 42,163.50 × 42,163.50
4. Step 4: Simplify right side
   28,030.25x = 1,777,760,732.25
5. Step 5: Solve for x
   x = 1,777,760,732.25/28,030.25
6. Step 6: Final answer
   x = 63,422.94