Finding the Third Proportional to 58,078 and 127,222

Step by Step Solution

1. Step 1: Write the proportion equation
   58,078 : 127,222 = 127,222 : x
2. Step 2: Convert to fraction form
   58,078/127,222 = 127,222/x
3. Step 3: Cross multiply
   58,078x = 127,222 × 127,222
4. Step 4: Simplify right side
   58,078x = 16,185,437,284
5. Step 5: Solve for x
   x = 16,185,437,284/58,078
6. Step 6: Final answer
   x = 278,684.48