Finding the Third Proportional to 83,495.25 and 129,132

Step by Step Solution

1. Step 1: Write the proportion equation
   83,495.25 : 129,132 = 129,132 : x
2. Step 2: Convert to fraction form
   83,495.25/129,132 = 129,132/x
3. Step 3: Cross multiply
   83,495.25x = 129,132 × 129,132
4. Step 4: Simplify right side
   83,495.25x = 16,675,073,424
5. Step 5: Solve for x
   x = 16,675,073,424/83,495.25
6. Step 6: Final answer
   x = 199,712.84