Finding the Third Proportional to 99,180 and 131,562

Step by Step Solution

1. Step 1: Write the proportion equation
   99,180 : 131,562 = 131,562 : x
2. Step 2: Convert to fraction form
   99,180/131,562 = 131,562/x
3. Step 3: Cross multiply
   99,180x = 131,562 × 131,562
4. Step 4: Simplify right side
   99,180x = 17,308,559,844
5. Step 5: Solve for x
   x = 17,308,559,844/99,180
6. Step 6: Final answer
   x = 174,516.63