Finding the Third Proportional to 55,355 and 88,123

Step by Step Solution

1. Step 1: Write the proportion equation
   55,355 : 88,123 = 88,123 : x
2. Step 2: Convert to fraction form
   55,355/88,123 = 88,123/x
3. Step 3: Cross multiply
   55,355x = 88,123 × 88,123
4. Step 4: Simplify right side
   55,355x = 7,765,663,129
5. Step 5: Solve for x
   x = 7,765,663,129/55,355
6. Step 6: Final answer
   x = 140,288.38