Finding the Third Proportional to 25,199 and 54,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,199 : 54,690.50 = 54,690.50 : x
2. Step 2: Convert to fraction form
   25,199/54,690.50 = 54,690.50/x
3. Step 3: Cross multiply
   25,199x = 54,690.50 × 54,690.50
4. Step 4: Simplify right side
   25,199x = 2,991,050,790.25
5. Step 5: Solve for x
   x = 2,991,050,790.25/25,199
6. Step 6: Final answer
   x = 118,697.20