Finding the Third Proportional to 28,448.50 and 40,978.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,448.50 : 40,978.25 = 40,978.25 : x
2. Step 2: Convert to fraction form
   28,448.50/40,978.25 = 40,978.25/x
3. Step 3: Cross multiply
   28,448.50x = 40,978.25 × 40,978.25
4. Step 4: Simplify right side
   28,448.50x = 1,679,216,973.06
5. Step 5: Solve for x
   x = 1,679,216,973.06/28,448.50
6. Step 6: Final answer
   x = 59,026.56