Finding the Third Proportional to 21,399 and 32,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,399 : 32,101.50 = 32,101.50 : x
2. Step 2: Convert to fraction form
   21,399/32,101.50 = 32,101.50/x
3. Step 3: Cross multiply
   21,399x = 32,101.50 × 32,101.50
4. Step 4: Simplify right side
   21,399x = 1,030,506,302.25
5. Step 5: Solve for x
   x = 1,030,506,302.25/21,399
6. Step 6: Final answer
   x = 48,156.75