Finding the Third Proportional to 76,099.50 and 113,690.25

Step by Step Solution

1. Step 1: Write the proportion equation
   76,099.50 : 113,690.25 = 113,690.25 : x
2. Step 2: Convert to fraction form
   76,099.50/113,690.25 = 113,690.25/x
3. Step 3: Cross multiply
   76,099.50x = 113,690.25 × 113,690.25
4. Step 4: Simplify right side
   76,099.50x = 12,925,472,945.06
5. Step 5: Solve for x
   x = 12,925,472,945.06/76,099.50
6. Step 6: Final answer
   x = 169,849.64