Finding the Third Proportional to 21,303 and 38,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,303 : 38,452.50 = 38,452.50 : x
2. Step 2: Convert to fraction form
   21,303/38,452.50 = 38,452.50/x
3. Step 3: Cross multiply
   21,303x = 38,452.50 × 38,452.50
4. Step 4: Simplify right side
   21,303x = 1,478,594,756.25
5. Step 5: Solve for x
   x = 1,478,594,756.25/21,303
6. Step 6: Final answer
   x = 69,407.82