Finding the Third Proportional to 21,140 and 32,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,140 : 32,778.50 = 32,778.50 : x
2. Step 2: Convert to fraction form
   21,140/32,778.50 = 32,778.50/x
3. Step 3: Cross multiply
   21,140x = 32,778.50 × 32,778.50
4. Step 4: Simplify right side
   21,140x = 1,074,430,062.25
5. Step 5: Solve for x
   x = 1,074,430,062.25/21,140
6. Step 6: Final answer
   x = 50,824.51