Finding the Third Proportional to 99,216 and 141,444

Step by Step Solution

1. Step 1: Write the proportion equation
   99,216 : 141,444 = 141,444 : x
2. Step 2: Convert to fraction form
   99,216/141,444 = 141,444/x
3. Step 3: Cross multiply
   99,216x = 141,444 × 141,444
4. Step 4: Simplify right side
   99,216x = 20,006,405,136
5. Step 5: Solve for x
   x = 20,006,405,136/99,216
6. Step 6: Final answer
   x = 201,644.95