Finding the Third Proportional to 21,402 and 32,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,402 : 32,100.75 = 32,100.75 : x
2. Step 2: Convert to fraction form
   21,402/32,100.75 = 32,100.75/x
3. Step 3: Cross multiply
   21,402x = 32,100.75 × 32,100.75
4. Step 4: Simplify right side
   21,402x = 1,030,458,150.56
5. Step 5: Solve for x
   x = 1,030,458,150.56/21,402
6. Step 6: Final answer
   x = 48,147.75