Finding the Third Proportional to 42,103.50 and 59,554.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,103.50 : 59,554.50 = 59,554.50 : x
2. Step 2: Convert to fraction form
   42,103.50/59,554.50 = 59,554.50/x
3. Step 3: Cross multiply
   42,103.50x = 59,554.50 × 59,554.50
4. Step 4: Simplify right side
   42,103.50x = 3,546,738,470.25
5. Step 5: Solve for x
   x = 3,546,738,470.25/42,103.50
6. Step 6: Final answer
   x = 84,238.57