Finding the Third Proportional to 42,379.50 and 62,255.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,379.50 : 62,255.25 = 62,255.25 : x
2. Step 2: Convert to fraction form
   42,379.50/62,255.25 = 62,255.25/x
3. Step 3: Cross multiply
   42,379.50x = 62,255.25 × 62,255.25
4. Step 4: Simplify right side
   42,379.50x = 3,875,716,152.56
5. Step 5: Solve for x
   x = 3,875,716,152.56/42,379.50
6. Step 6: Final answer
   x = 91,452.62