Finding the Third Proportional to 65,750 and 139,690

Step by Step Solution

1. Step 1: Write the proportion equation
   65,750 : 139,690 = 139,690 : x
2. Step 2: Convert to fraction form
   65,750/139,690 = 139,690/x
3. Step 3: Cross multiply
   65,750x = 139,690 × 139,690
4. Step 4: Simplify right side
   65,750x = 19,513,296,100
5. Step 5: Solve for x
   x = 19,513,296,100/65,750
6. Step 6: Final answer
   x = 296,780.17