Finding the Third Proportional to 28,041.75 and 42,629.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,041.75 : 42,629.63 = 42,629.63 : x
2. Step 2: Convert to fraction form
   28,041.75/42,629.63 = 42,629.63/x
3. Step 3: Cross multiply
   28,041.75x = 42,629.63 × 42,629.63
4. Step 4: Simplify right side
   28,041.75x = 1,817,284,927.64
5. Step 5: Solve for x
   x = 1,817,284,927.64/28,041.75
6. Step 6: Final answer
   x = 64,806.40