Finding the Third Proportional to 21,360 and 45,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,360 : 45,499.50 = 45,499.50 : x
2. Step 2: Convert to fraction form
   21,360/45,499.50 = 45,499.50/x
3. Step 3: Cross multiply
   21,360x = 45,499.50 × 45,499.50
4. Step 4: Simplify right side
   21,360x = 2,070,204,500.25
5. Step 5: Solve for x
   x = 2,070,204,500.25/21,360
6. Step 6: Final answer
   x = 96,919.69