Finding the Third Proportional to 45,972 and 72,237

Step by Step Solution

1. Step 1: Write the proportion equation
   45,972 : 72,237 = 72,237 : x
2. Step 2: Convert to fraction form
   45,972/72,237 = 72,237/x
3. Step 3: Cross multiply
   45,972x = 72,237 × 72,237
4. Step 4: Simplify right side
   45,972x = 5,218,184,169
5. Step 5: Solve for x
   x = 5,218,184,169/45,972
6. Step 6: Final answer
   x = 113,507.88