Finding the Third Proportional to 106,809 and 143,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,809 : 143,779.50 = 143,779.50 : x
2. Step 2: Convert to fraction form
   106,809/143,779.50 = 143,779.50/x
3. Step 3: Cross multiply
   106,809x = 143,779.50 × 143,779.50
4. Step 4: Simplify right side
   106,809x = 20,672,544,620.25
5. Step 5: Solve for x
   x = 20,672,544,620.25/106,809
6. Step 6: Final answer
   x = 193,546.84