Finding the Third Proportional to 99,150 and 141,339

Step by Step Solution

1. Step 1: Write the proportion equation
   99,150 : 141,339 = 141,339 : x
2. Step 2: Convert to fraction form
   99,150/141,339 = 141,339/x
3. Step 3: Cross multiply
   99,150x = 141,339 × 141,339
4. Step 4: Simplify right side
   99,150x = 19,976,712,921
5. Step 5: Solve for x
   x = 19,976,712,921/99,150
6. Step 6: Final answer
   x = 201,479.71