Finding the Third Proportional to 42,117.75 and 63,615.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,117.75 : 63,615.38 = 63,615.38 : x
2. Step 2: Convert to fraction form
   42,117.75/63,615.38 = 63,615.38/x
3. Step 3: Cross multiply
   42,117.75x = 63,615.38 × 63,615.38
4. Step 4: Simplify right side
   42,117.75x = 4,046,915,936.39
5. Step 5: Solve for x
   x = 4,046,915,936.39/42,117.75
6. Step 6: Final answer
   x = 96,085.76