Finding the Third Proportional to 28,030.50 and 42,855.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,030.50 : 42,855.75 = 42,855.75 : x
2. Step 2: Convert to fraction form
   28,030.50/42,855.75 = 42,855.75/x
3. Step 3: Cross multiply
   28,030.50x = 42,855.75 × 42,855.75
4. Step 4: Simplify right side
   28,030.50x = 1,836,615,308.06
5. Step 5: Solve for x
   x = 1,836,615,308.06/28,030.50
6. Step 6: Final answer
   x = 65,522.03