Finding the Third Proportional to 96,637.50 and 139,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   96,637.50 : 139,189.50 = 139,189.50 : x
2. Step 2: Convert to fraction form
   96,637.50/139,189.50 = 139,189.50/x
3. Step 3: Cross multiply
   96,637.50x = 139,189.50 × 139,189.50
4. Step 4: Simplify right side
   96,637.50x = 19,373,716,910.25
5. Step 5: Solve for x
   x = 19,373,716,910.25/96,637.50
6. Step 6: Final answer
   x = 200,478.25