Finding the Third Proportional to 45,342 and 99,108

Step by Step Solution

1. Step 1: Write the proportion equation
   45,342 : 99,108 = 99,108 : x
2. Step 2: Convert to fraction form
   45,342/99,108 = 99,108/x
3. Step 3: Cross multiply
   45,342x = 99,108 × 99,108
4. Step 4: Simplify right side
   45,342x = 9,822,395,664
5. Step 5: Solve for x
   x = 9,822,395,664/45,342
6. Step 6: Final answer
   x = 216,629.08