Finding the Third Proportional to 45,116 and 98,872

Step by Step Solution

1. Step 1: Write the proportion equation
   45,116 : 98,872 = 98,872 : x
2. Step 2: Convert to fraction form
   45,116/98,872 = 98,872/x
3. Step 3: Cross multiply
   45,116x = 98,872 × 98,872
4. Step 4: Simplify right side
   45,116x = 9,775,672,384
5. Step 5: Solve for x
   x = 9,775,672,384/45,116
6. Step 6: Final answer
   x = 216,678.61