Finding the Third Proportional to 97,977.50 and 143,185.69

Step by Step Solution

1. Step 1: Write the proportion equation
   97,977.50 : 143,185.69 = 143,185.69 : x
2. Step 2: Convert to fraction form
   97,977.50/143,185.69 = 143,185.69/x
3. Step 3: Cross multiply
   97,977.50x = 143,185.69 × 143,185.69
4. Step 4: Simplify right side
   97,977.50x = 20,502,141,104.85
5. Step 5: Solve for x
   x = 20,502,141,104.85/97,977.50
6. Step 6: Final answer
   x = 209,253.56