Finding the Third Proportional to 72,148 and 100,908

Step by Step Solution

1. Step 1: Write the proportion equation
   72,148 : 100,908 = 100,908 : x
2. Step 2: Convert to fraction form
   72,148/100,908 = 100,908/x
3. Step 3: Cross multiply
   72,148x = 100,908 × 100,908
4. Step 4: Simplify right side
   72,148x = 10,182,424,464
5. Step 5: Solve for x
   x = 10,182,424,464/72,148
6. Step 6: Final answer
   x = 141,132.46