Finding the Third Proportional to 61,123 and 92,090

Step by Step Solution

1. Step 1: Write the proportion equation
   61,123 : 92,090 = 92,090 : x
2. Step 2: Convert to fraction form
   61,123/92,090 = 92,090/x
3. Step 3: Cross multiply
   61,123x = 92,090 × 92,090
4. Step 4: Simplify right side
   61,123x = 8,480,568,100
5. Step 5: Solve for x
   x = 8,480,568,100/61,123
6. Step 6: Final answer
   x = 138,745.94