Finding the Third Proportional to 28,531.75 and 42,883.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,531.75 : 42,883.88 = 42,883.88 : x
2. Step 2: Convert to fraction form
   28,531.75/42,883.88 = 42,883.88/x
3. Step 3: Cross multiply
   28,531.75x = 42,883.88 × 42,883.88
4. Step 4: Simplify right side
   28,531.75x = 1,839,026,735.02
5. Step 5: Solve for x
   x = 1,839,026,735.02/28,531.75
6. Step 6: Final answer
   x = 64,455.45