Finding the Third Proportional to 106,993 and 143,137.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,993 : 143,137.50 = 143,137.50 : x
2. Step 2: Convert to fraction form
   106,993/143,137.50 = 143,137.50/x
3. Step 3: Cross multiply
   106,993x = 143,137.50 × 143,137.50
4. Step 4: Simplify right side
   106,993x = 20,488,343,906.25
5. Step 5: Solve for x
   x = 20,488,343,906.25/106,993
6. Step 6: Final answer
   x = 191,492.38