Finding the Third Proportional to 53,682 and 72,899

Step by Step Solution

1. Step 1: Write the proportion equation
   53,682 : 72,899 = 72,899 : x
2. Step 2: Convert to fraction form
   53,682/72,899 = 72,899/x
3. Step 3: Cross multiply
   53,682x = 72,899 × 72,899
4. Step 4: Simplify right side
   53,682x = 5,314,264,201
5. Step 5: Solve for x
   x = 5,314,264,201/53,682
6. Step 6: Final answer
   x = 98,995.27