Finding the Third Proportional to 42,545.75 and 59,620.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,545.75 : 59,620.75 = 59,620.75 : x
2. Step 2: Convert to fraction form
   42,545.75/59,620.75 = 59,620.75/x
3. Step 3: Cross multiply
   42,545.75x = 59,620.75 × 59,620.75
4. Step 4: Simplify right side
   42,545.75x = 3,554,633,830.56
5. Step 5: Solve for x
   x = 3,554,633,830.56/42,545.75
6. Step 6: Final answer
   x = 83,548.51