Finding the Third Proportional to 55,278 and 75,060

Step by Step Solution

1. Step 1: Write the proportion equation
   55,278 : 75,060 = 75,060 : x
2. Step 2: Convert to fraction form
   55,278/75,060 = 75,060/x
3. Step 3: Cross multiply
   55,278x = 75,060 × 75,060
4. Step 4: Simplify right side
   55,278x = 5,634,003,600
5. Step 5: Solve for x
   x = 5,634,003,600/55,278
6. Step 6: Final answer
   x = 101,921.26