Finding the Third Proportional to 65,827.69 and 139,498.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,827.69 : 139,498.88 = 139,498.88 : x
2. Step 2: Convert to fraction form
   65,827.69/139,498.88 = 139,498.88/x
3. Step 3: Cross multiply
   65,827.69x = 139,498.88 × 139,498.88
4. Step 4: Simplify right side
   65,827.69x = 19,459,936,126.27
5. Step 5: Solve for x
   x = 19,459,936,126.27/65,827.69
6. Step 6: Final answer
   x = 295,619.32