Finding the Third Proportional to 42,342.75 and 57,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,342.75 : 57,955.50 = 57,955.50 : x
2. Step 2: Convert to fraction form
   42,342.75/57,955.50 = 57,955.50/x
3. Step 3: Cross multiply
   42,342.75x = 57,955.50 × 57,955.50
4. Step 4: Simplify right side
   42,342.75x = 3,358,839,980.25
5. Step 5: Solve for x
   x = 3,358,839,980.25/42,342.75
6. Step 6: Final answer
   x = 79,325.03