Finding the Third Proportional to 42,559 and 62,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,559 : 62,661.50 = 62,661.50 : x
2. Step 2: Convert to fraction form
   42,559/62,661.50 = 62,661.50/x
3. Step 3: Cross multiply
   42,559x = 62,661.50 × 62,661.50
4. Step 4: Simplify right side
   42,559x = 3,926,463,582.25
5. Step 5: Solve for x
   x = 3,926,463,582.25/42,559
6. Step 6: Final answer
   x = 92,259.30