Finding the Third Proportional to 21,303.56 and 33,420.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,303.56 : 33,420.94 = 33,420.94 : x
2. Step 2: Convert to fraction form
   21,303.56/33,420.94 = 33,420.94/x
3. Step 3: Cross multiply
   21,303.56x = 33,420.94 × 33,420.94
4. Step 4: Simplify right side
   21,303.56x = 1,116,959,063.38
5. Step 5: Solve for x
   x = 1,116,959,063.38/21,303.56
6. Step 6: Final answer
   x = 52,430.62