Finding the Third Proportional to 68,890.50 and 96,729.19

Step by Step Solution

1. Step 1: Write the proportion equation
   68,890.50 : 96,729.19 = 96,729.19 : x
2. Step 2: Convert to fraction form
   68,890.50/96,729.19 = 96,729.19/x
3. Step 3: Cross multiply
   68,890.50x = 96,729.19 × 96,729.19
4. Step 4: Simplify right side
   68,890.50x = 9,356,535,714.41
5. Step 5: Solve for x
   x = 9,356,535,714.41/68,890.50
6. Step 6: Final answer
   x = 135,817.50