Finding the Third Proportional to 21,116 and 45,580

Step by Step Solution

1. Step 1: Write the proportion equation
   21,116 : 45,580 = 45,580 : x
2. Step 2: Convert to fraction form
   21,116/45,580 = 45,580/x
3. Step 3: Cross multiply
   21,116x = 45,580 × 45,580
4. Step 4: Simplify right side
   21,116x = 2,077,536,400
5. Step 5: Solve for x
   x = 2,077,536,400/21,116
6. Step 6: Final answer
   x = 98,386.83