Finding the Third Proportional to 107,779.50 and 144,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,779.50 : 144,991.50 = 144,991.50 : x
2. Step 2: Convert to fraction form
   107,779.50/144,991.50 = 144,991.50/x
3. Step 3: Cross multiply
   107,779.50x = 144,991.50 × 144,991.50
4. Step 4: Simplify right side
   107,779.50x = 21,022,535,072.25
5. Step 5: Solve for x
   x = 21,022,535,072.25/107,779.50
6. Step 6: Final answer
   x = 195,051.33