Finding the Third Proportional to 42,468.75 and 67,470.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,468.75 : 67,470.75 = 67,470.75 : x
2. Step 2: Convert to fraction form
   42,468.75/67,470.75 = 67,470.75/x
3. Step 3: Cross multiply
   42,468.75x = 67,470.75 × 67,470.75
4. Step 4: Simplify right side
   42,468.75x = 4,552,302,105.56
5. Step 5: Solve for x
   x = 4,552,302,105.56/42,468.75
6. Step 6: Final answer
   x = 107,191.81