Finding the Third Proportional to 28,119.66 and 42,487.03

Step by Step Solution

1. Step 1: Write the proportion equation
   28,119.66 : 42,487.03 = 42,487.03 : x
2. Step 2: Convert to fraction form
   28,119.66/42,487.03 = 42,487.03/x
3. Step 3: Cross multiply
   28,119.66x = 42,487.03 × 42,487.03
4. Step 4: Simplify right side
   28,119.66x = 1,805,147,824.44
5. Step 5: Solve for x
   x = 1,805,147,824.44/28,119.66
6. Step 6: Final answer
   x = 64,195.23