Finding the Third Proportional to 92,185.50 and 139,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,185.50 : 139,126.50 = 139,126.50 : x
2. Step 2: Convert to fraction form
   92,185.50/139,126.50 = 139,126.50/x
3. Step 3: Cross multiply
   92,185.50x = 139,126.50 × 139,126.50
4. Step 4: Simplify right side
   92,185.50x = 19,356,183,002.25
5. Step 5: Solve for x
   x = 19,356,183,002.25/92,185.50
6. Step 6: Final answer
   x = 209,969.93