Finding the Third Proportional to 37,155 and 72,447

Step by Step Solution

1. Step 1: Write the proportion equation
   37,155 : 72,447 = 72,447 : x
2. Step 2: Convert to fraction form
   37,155/72,447 = 72,447/x
3. Step 3: Cross multiply
   37,155x = 72,447 × 72,447
4. Step 4: Simplify right side
   37,155x = 5,248,567,809
5. Step 5: Solve for x
   x = 5,248,567,809/37,155
6. Step 6: Final answer
   x = 141,261.41