Finding the Third Proportional to 21,129 and 32,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,129 : 32,764.50 = 32,764.50 : x
2. Step 2: Convert to fraction form
   21,129/32,764.50 = 32,764.50/x
3. Step 3: Cross multiply
   21,129x = 32,764.50 × 32,764.50
4. Step 4: Simplify right side
   21,129x = 1,073,512,460.25
5. Step 5: Solve for x
   x = 1,073,512,460.25/21,129
6. Step 6: Final answer
   x = 50,807.54