Finding the Third Proportional to 55,090 and 113,442

Step by Step Solution

1. Step 1: Write the proportion equation
   55,090 : 113,442 = 113,442 : x
2. Step 2: Convert to fraction form
   55,090/113,442 = 113,442/x
3. Step 3: Cross multiply
   55,090x = 113,442 × 113,442
4. Step 4: Simplify right side
   55,090x = 12,869,087,364
5. Step 5: Solve for x
   x = 12,869,087,364/55,090
6. Step 6: Final answer
   x = 233,601.15