Finding the Third Proportional to 92,139.50 and 200,954

Step by Step Solution

1. Step 1: Write the proportion equation
   92,139.50 : 200,954 = 200,954 : x
2. Step 2: Convert to fraction form
   92,139.50/200,954 = 200,954/x
3. Step 3: Cross multiply
   92,139.50x = 200,954 × 200,954
4. Step 4: Simplify right side
   92,139.50x = 40,382,510,116
5. Step 5: Solve for x
   x = 40,382,510,116/92,139.50
6. Step 6: Final answer
   x = 438,275.77