Finding the Third Proportional to 40,726 and 58,130

Step by Step Solution

1. Step 1: Write the proportion equation
   40,726 : 58,130 = 58,130 : x
2. Step 2: Convert to fraction form
   40,726/58,130 = 58,130/x
3. Step 3: Cross multiply
   40,726x = 58,130 × 58,130
4. Step 4: Simplify right side
   40,726x = 3,379,096,900
5. Step 5: Solve for x
   x = 3,379,096,900/40,726
6. Step 6: Final answer
   x = 82,971.49