Finding the Third Proportional to 43,196.19 and 67,615.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43,196.19 : 67,615.88 = 67,615.88 : x
2. Step 2: Convert to fraction form
   43,196.19/67,615.88 = 67,615.88/x
3. Step 3: Cross multiply
   43,196.19x = 67,615.88 × 67,615.88
4. Step 4: Simplify right side
   43,196.19x = 4,571,906,552.02
5. Step 5: Solve for x
   x = 4,571,906,552.02/43,196.19
6. Step 6: Final answer
   x = 105,840.51