Finding the Third Proportional to 58,116 and 123,099

Step by Step Solution

1. Step 1: Write the proportion equation
   58,116 : 123,099 = 123,099 : x
2. Step 2: Convert to fraction form
   58,116/123,099 = 123,099/x
3. Step 3: Cross multiply
   58,116x = 123,099 × 123,099
4. Step 4: Simplify right side
   58,116x = 15,153,363,801
5. Step 5: Solve for x
   x = 15,153,363,801/58,116
6. Step 6: Final answer
   x = 260,743.41