Finding the Third Proportional to 48,780 and 72,962

Step by Step Solution

1. Step 1: Write the proportion equation
   48,780 : 72,962 = 72,962 : x
2. Step 2: Convert to fraction form
   48,780/72,962 = 72,962/x
3. Step 3: Cross multiply
   48,780x = 72,962 × 72,962
4. Step 4: Simplify right side
   48,780x = 5,323,453,444
5. Step 5: Solve for x
   x = 5,323,453,444/48,780
6. Step 6: Final answer
   x = 109,131.89