Finding the Third Proportional to 21,399 and 45,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,399 : 45,793.50 = 45,793.50 : x
2. Step 2: Convert to fraction form
   21,399/45,793.50 = 45,793.50/x
3. Step 3: Cross multiply
   21,399x = 45,793.50 × 45,793.50
4. Step 4: Simplify right side
   21,399x = 2,097,044,642.25
5. Step 5: Solve for x
   x = 2,097,044,642.25/21,399
6. Step 6: Final answer
   x = 97,997.32